156401061365 has 16 divisors (see below), whose sum is σ = 188497393920. Its totient is φ = 124577355840.

The previous prime is 156401061331. The next prime is 156401061431. The reversal of 156401061365 is 563160104651.

It is not a de Polignac number, because 156401061365 - 2⁸ = 156401061109 is a prime.

It is a super-2 number, since 2×156401061365² (a number of 23 digits) contains 22 as substring.

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, 2152580 + ... + 2224050.

It is an arithmetic number, because the mean of its divisors is an integer number (11781087120).

Almost surely, 2^156401061365 is an apocalyptic number.

It is an amenable number.

156401061365 is a deficient number, since it is larger than the sum of its proper divisors (32096332555).

156401061365 is a wasteful number, since it uses less digits than its factorization.

156401061365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73372.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 156401061365 in words is "one hundred fifty-six billion, four hundred one million, sixty-one thousand, three hundred sixty-five".