161086064472 has 32 divisors (see below), whose sum is σ = 447461290800. Its totient is φ = 53695354752.

The previous prime is 161086064449. The next prime is 161086064561. The reversal of 161086064472 is 274460680161.

161086064472 is a `hidden beast` number, since 1 + 61 + 0 + 8 + 60 + 64 + 472 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372884193 + ... + 372884624.

Almost surely, 2^161086064472 is an apocalyptic number.

161086064472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161086064472 is an abundant number, since it is smaller than the sum of its proper divisors (286375226328).

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

161086064472 is a wasteful number, since it uses less digits than its factorization.

161086064472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745768832 (or 745768822 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 161086064472 in words is "one hundred sixty-one billion, eighty-six million, sixty-four thousand, four hundred seventy-two".