64156606023 has 8 divisors (see below), whose sum is σ = 86624953600. Its totient is φ = 42229664568.

The previous prime is 64156605991. The next prime is 64156606027. The reversal of 64156606023 is 32060665146.

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

It is not a de Polignac number, because 64156606023 - 2⁵ = 64156605991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64156606027) 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, 135351253 + ... + 135351726.

It is an arithmetic number, because the mean of its divisors is an integer number (10828119200).

Almost surely, 2^64156606023 is an apocalyptic number.

64156606023 is a deficient number, since it is larger than the sum of its proper divisors (22468347577).

64156606023 is a wasteful number, since it uses less digits than its factorization.

64156606023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270703061.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 64156606023 in words is "sixty-four billion, one hundred fifty-six million, six hundred six thousand, twenty-three".