64600614652 has 96 divisors (see below), whose sum is σ = 138929043456. Its totient is φ = 25653196800.

The previous prime is 64600614643. The next prime is 64600614677. The reversal of 64600614652 is 25641600646.

It is a super-2 number, since 2×64600614652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44643793 + ... + 44645239.

It is an arithmetic number, because the mean of its divisors is an integer number (1447177536).

Almost surely, 2^64600614652 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 64600614652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69464521728).

64600614652 is an abundant number, since it is smaller than the sum of its proper divisors (74328428804).

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

64600614652 is a wasteful number, since it uses less digits than its factorization.

64600614652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 64600614652 in words is "sixty-four billion, six hundred million, six hundred fourteen thousand, six hundred fifty-two".