64616234163 has 32 divisors (see below), whose sum is σ = 93093396480. Its totient is φ = 39630729600.

The previous prime is 64616234143. The next prime is 64616234197. The reversal of 64616234163 is 36143261646.

It is not a de Polignac number, because 64616234163 - 2⁹ = 64616233651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64616234143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20782053 + ... + 20785161.

It is an arithmetic number, because the mean of its divisors is an integer number (2909168640).

Almost surely, 2^64616234163 is an apocalyptic number.

64616234163 is a deficient number, since it is larger than the sum of its proper divisors (28477162317).

64616234163 is a wasteful number, since it uses less digits than its factorization.

64616234163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739.

The product of its digits is 373248, while the sum is 42.

The spelling of 64616234163 in words is "sixty-four billion, six hundred sixteen million, two hundred thirty-four thousand, one hundred sixty-three".