156641003420 has 48 divisors (see below), whose sum is σ = 358915699296. Its totient is φ = 56949984000.

The previous prime is 156641003411. The next prime is 156641003459. The reversal of 156641003420 is 24300146651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201010 + ... + 1325030.

It is an arithmetic number, because the mean of its divisors is an integer number (7477410402).

Almost surely, 2^156641003420 is an apocalyptic number.

156641003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156641003420 is an abundant number, since it is smaller than the sum of its proper divisors (202274695876).

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

156641003420 is a wasteful number, since it uses less digits than its factorization.

156641003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129782 (or 129780 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 156641003420 in words is "one hundred fifty-six billion, six hundred forty-one million, three thousand, four hundred twenty".