156554521828 has 24 divisors (see below), whose sum is σ = 274700924960. Its totient is φ = 78068629440.

The previous prime is 156554521801. The next prime is 156554521829. The reversal of 156554521828 is 828125455651.

It is not an unprimeable number, because it can be changed into a prime (156554521829) 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, 10742875 + ... + 10757437.

Almost surely, 2^156554521828 is an apocalyptic number.

It is an amenable number.

156554521828 is a deficient number, since it is larger than the sum of its proper divisors (118146403132).

156554521828 is a wasteful number, since it uses less digits than its factorization.

156554521828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21547 (or 21545 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 52.

The spelling of 156554521828 in words is "one hundred fifty-six billion, five hundred fifty-four million, five hundred twenty-one thousand, eight hundred twenty-eight".