160691066254404 has 135 divisors (see below), whose sum is σ = 473872651835037. Its totient is φ = 45910668398112.

The previous prime is 160691066254399. The next prime is 160691066254409. The reversal of 160691066254404 is 404452660196061.

The square root of 160691066254404 is 12676398.

It is a perfect power (a square), and thus also a powerful number.

160691066254404 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 9 + 1 + 0 + 6 + 625 + 4 + 4 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (160691066254399) and next prime (160691066254409).

It can be written as a sum of positive squares in only one way, i.e., 69348089002500 + 91342977251904 = 8327550^2 + 9557352^2 .

It is not an unprimeable number, because it can be changed into a prime (160691066254409) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3726839454 + ... + 3726882570.

Almost surely, 2^{160691066254404} is an apocalyptic number.

160691066254404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

160691066254404 is the 12676398-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160691066254404

160691066254404 is an abundant number, since it is smaller than the sum of its proper divisors (313181585580633).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160691066254404 is an frugal number, since it uses more digits than its factorization.

160691066254404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86272 (or 43129 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 160691066254404 in words is "one hundred sixty trillion, six hundred ninety-one billion, sixty-six million, two hundred fifty-four thousand, four hundred four".