64626051532 has 12 divisors (see below), whose sum is σ = 129252103120. Its totient is φ = 27696879216.

The previous prime is 64626051493. The next prime is 64626051547. The reversal of 64626051532 is 23515062646.

It is a happy number.

64626051532 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154036607 + ... + 1154036662.

Almost surely, 2^64626051532 is an apocalyptic number.

It is an amenable number.

64626051532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64626051532 is a wasteful number, since it uses less digits than its factorization.

64626051532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308073280 (or 2308073278 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 64626051532 in words is "sixty-four billion, six hundred twenty-six million, fifty-one thousand, five hundred thirty-two".