64365376752 has 120 divisors (see below), whose sum is σ = 191293299600. Its totient is φ = 20145936384.

The previous prime is 64365376711. The next prime is 64365376759. The reversal of 64365376752 is 25767356346.

64365376752 is a `hidden beast` number, since 6 + 4 + 36 + 537 + 6 + 75 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64365376759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205074 + ... + 413262.

It is an arithmetic number, because the mean of its divisors is an integer number (1594110830).

Almost surely, 2^64365376752 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 64365376752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95646649800).

64365376752 is an abundant number, since it is smaller than the sum of its proper divisors (126927922848).

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

64365376752 is a wasteful number, since it uses less digits than its factorization.

64365376752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208335 (or 208326 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 54.

The spelling of 64365376752 in words is "sixty-four billion, three hundred sixty-five million, three hundred seventy-six thousand, seven hundred fifty-two".