64600860892 has 24 divisors (see below), whose sum is σ = 113976608256. Its totient is φ = 32036272128.

The previous prime is 64600860803. The next prime is 64600860901. The reversal of 64600860892 is 29806800646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807548 + ... + 1842940.

It is an arithmetic number, because the mean of its divisors is an integer number (4749025344).

Almost surely, 2^64600860892 is an apocalyptic number.

It is an amenable number.

64600860892 is a deficient number, since it is larger than the sum of its proper divisors (49375747364).

64600860892 is a wasteful number, since it uses less digits than its factorization.

64600860892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39117 (or 39115 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 64600860892 in words is "sixty-four billion, six hundred million, eight hundred sixty thousand, eight hundred ninety-two".