34564144664 has 64 divisors (see below), whose sum is σ = 76922913600. Its totient is φ = 14250829824.

The previous prime is 34564144663. The next prime is 34564144691. The reversal of 34564144664 is 46644146543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34564144663) 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, 90692 + ... + 278124.

It is an arithmetic number, because the mean of its divisors is an integer number (1201920525).

Almost surely, 2^34564144664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34564144664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38461456800).

34564144664 is an abundant number, since it is smaller than the sum of its proper divisors (42358768936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34564144664 is a wasteful number, since it uses less digits than its factorization.

34564144664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187572 (or 187568 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 47.

The spelling of 34564144664 in words is "thirty-four billion, five hundred sixty-four million, one hundred forty-four thousand, six hundred sixty-four".