156601423013 has 16 divisors (see below), whose sum is σ = 183617228160. Its totient is φ = 130786930176.

The previous prime is 156601423003. The next prime is 156601423019. The reversal of 156601423013 is 310324106651.

It is not a de Polignac number, because 156601423013 - 2²⁸ = 156332987557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156601423019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631120 + ... + 1724457.

It is an arithmetic number, because the mean of its divisors is an integer number (11476076760).

Almost surely, 2^156601423013 is an apocalyptic number.

It is an amenable number.

156601423013 is a deficient number, since it is larger than the sum of its proper divisors (27015805147).

156601423013 is a wasteful number, since it uses less digits than its factorization.

156601423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355756.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 156601423013 its reverse (310324106651), we get a palindrome (466925529664).

The spelling of 156601423013 in words is "one hundred fifty-six billion, six hundred one million, four hundred twenty-three thousand, thirteen".