64355521014 has 24 divisors (see below), whose sum is σ = 142837865352. Its totient is φ = 20928624480.

The previous prime is 64355521007. The next prime is 64355521031. The reversal of 64355521014 is 41012555346.

64355521014 is a `hidden beast` number, since 6 + 435 + 5 + 5 + 210 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64355521014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43600564 + ... + 43602039.

It is an arithmetic number, because the mean of its divisors is an integer number (5951577723).

Almost surely, 2^64355521014 is an apocalyptic number.

64355521014 is an abundant number, since it is smaller than the sum of its proper divisors (78482344338).

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

64355521014 is a wasteful number, since it uses less digits than its factorization.

64355521014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87202652 (or 87202649 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 64355521014 in words is "sixty-four billion, three hundred fifty-five million, five hundred twenty-one thousand, fourteen".