64239160655 has 64 divisors (see below), whose sum is σ = 83133775872. Its totient is φ = 47542809600.

The previous prime is 64239160639. The next prime is 64239160673. The reversal of 64239160655 is 55606193246.

It is not a de Polignac number, because 64239160655 - 2⁴ = 64239160639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205236779 + ... + 205237091.

It is an arithmetic number, because the mean of its divisors is an integer number (1298965248).

Almost surely, 2^64239160655 is an apocalyptic number.

64239160655 is a deficient number, since it is larger than the sum of its proper divisors (18894615217).

64239160655 is a wasteful number, since it uses less digits than its factorization.

64239160655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 64239160655 in words is "sixty-four billion, two hundred thirty-nine million, one hundred sixty thousand, six hundred fifty-five".