156841605402 has 16 divisors (see below), whose sum is σ = 314157777312. Its totient is φ = 52201440720.

The previous prime is 156841605397. The next prime is 156841605421. The reversal of 156841605402 is 204506148651.

156841605402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19769308 + ... + 19777239.

It is an arithmetic number, because the mean of its divisors is an integer number (19634861082).

Almost surely, 2^156841605402 is an apocalyptic number.

156841605402 is an abundant number, since it is smaller than the sum of its proper divisors (157316171910).

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

156841605402 is a wasteful number, since it uses less digits than its factorization.

156841605402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39547213.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 156841605402 in words is "one hundred fifty-six billion, eight hundred forty-one million, six hundred five thousand, four hundred two".