64016604135 has 48 divisors (see below), whose sum is σ = 121116367008. Its totient is φ = 31021228800.

The previous prime is 64016604131. The next prime is 64016604137. The reversal of 64016604135 is 53140661046.

It is a happy number.

64016604135 is a `hidden beast` number, since 6 + 4 + 0 + 16 + 604 + 1 + 35 = 666.

It is not a de Polignac number, because 64016604135 - 2² = 64016604131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64016604135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64016604131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886449 + ... + 955941.

It is an arithmetic number, because the mean of its divisors is an integer number (2523257646).

Almost surely, 2^64016604135 is an apocalyptic number.

64016604135 is a deficient number, since it is larger than the sum of its proper divisors (57099762873).

64016604135 is a wasteful number, since it uses less digits than its factorization.

64016604135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71376 (or 71373 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 64016604135 in words is "sixty-four billion, sixteen million, six hundred four thousand, one hundred thirty-five".