162551556 has 24 divisors (see below), whose sum is σ = 421430240. Its totient is φ = 54183816.

The previous prime is 162551551. The next prime is 162551563. The reversal of 162551556 is 655155261.

162551556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162551556² = 52846016716042272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 162551556.

It is not an unprimeable number, because it can be changed into a prime (162551551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752446 + ... + 752661.

Almost surely, 2^162551556 is an apocalyptic number.

It is an amenable number.

162551556 is an abundant number, since it is smaller than the sum of its proper divisors (258878684).

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

162551556 is a wasteful number, since it uses less digits than its factorization.

162551556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505120 (or 1505112 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 162551556 is about 12749.5708163059. The cubic root of 162551556 is about 545.7541460453.

The spelling of 162551556 in words is "one hundred sixty-two million, five hundred fifty-one thousand, five hundred fifty-six".