162381597156 has 135 divisors (see below), whose sum is σ = 432749774457. Its totient is φ = 53094800160.

The previous prime is 162381597149. The next prime is 162381597241. The reversal of 162381597156 is 651795183261.

The square root of 162381597156 is 402966.

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

162381597156 is a `hidden beast` number, since 1 + 6 + 2 + 38 + 1 + 597 + 15 + 6 = 666.

162381597156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5280347556 + 157101249600 = 72666^2 + 396360^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 442456485 + ... + 442456851.

Almost surely, 2^162381597156 is an apocalyptic number.

162381597156 is the 402966-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162381597156

162381597156 is an abundant number, since it is smaller than the sum of its proper divisors (270368177301).

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

162381597156 is an frugal number, since it uses more digits than its factorization.

162381597156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 433 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 162381597156 in words is "one hundred sixty-two billion, three hundred eighty-one million, five hundred ninety-seven thousand, one hundred fifty-six".