162721153032 has 32 divisors (see below), whose sum is σ = 407546613600. Its totient is φ = 54141220224.

The previous prime is 162721153019. The next prime is 162721153033. The reversal of 162721153032 is 230351127261.

It is a junction number, because it is equal to n+sod(n) for n = 162721152984 and 162721153002.

It is not an unprimeable number, because it can be changed into a prime (162721153033) by changing a digit.

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, 6184357 + ... + 6210612.

It is an arithmetic number, because the mean of its divisors is an integer number (12735831675).

Almost surely, 2^162721153032 is an apocalyptic number.

162721153032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162721153032 is an abundant number, since it is smaller than the sum of its proper divisors (244825460568).

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

162721153032 is a wasteful number, since it uses less digits than its factorization.

162721153032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395525 (or 12395521 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 162721153032 in words is "one hundred sixty-two billion, seven hundred twenty-one million, one hundred fifty-three thousand, thirty-two".