156423502056651 has 8 divisors (see below), whose sum is σ = 208611845330064. Its totient is φ = 104258746743840.

The previous prime is 156423502056643. The next prime is 156423502056697. The reversal of 156423502056651 is 156650205324651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156423502056651 - 2³ = 156423502056643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156423502056594 and 156423502056603.

It is not an unprimeable number, because it can be changed into a prime (156423502856651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5896974676 + ... + 5897001201.

It is an arithmetic number, because the mean of its divisors is an integer number (26076480666258).

Almost surely, 2^{156423502056651} is an apocalyptic number.

156423502056651 is a deficient number, since it is larger than the sum of its proper divisors (52188343273413).

156423502056651 is a wasteful number, since it uses less digits than its factorization.

156423502056651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793980301.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 156423502056651 in words is "one hundred fifty-six trillion, four hundred twenty-three billion, five hundred two million, fifty-six thousand, six hundred fifty-one".