162557207156 has 24 divisors (see below), whose sum is σ = 293699234304. Its totient is φ = 78643988640.

The previous prime is 162557207093. The next prime is 162557207167. The reversal of 162557207156 is 651702755261.

It is a self number, because there is not a number n which added to its sum of digits gives 162557207156.

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, 687401 + ... + 893103.

It is an arithmetic number, because the mean of its divisors is an integer number (12237468096).

Almost surely, 2^162557207156 is an apocalyptic number.

It is an amenable number.

162557207156 is a deficient number, since it is larger than the sum of its proper divisors (131142027148).

162557207156 is a wasteful number, since it uses less digits than its factorization.

162557207156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212111 (or 212109 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 162557207156 in words is "one hundred sixty-two billion, five hundred fifty-seven million, two hundred seven thousand, one hundred fifty-six".