647025134164 has 12 divisors (see below), whose sum is σ = 1132960444000. Its totient is φ = 323322150168.

The previous prime is 647025134137. The next prime is 647025134191. The reversal of 647025134164 is 461431520746.

It is an interprime number because it is at equal distance from previous prime (647025134137) and next prime (647025134191).

It is a self number, because there is not a number n which added to its sum of digits gives 647025134164.

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 3 ways as a sum of consecutive naturals, for example, 47596584 + ... + 47610175.

Almost surely, 2^647025134164 is an apocalyptic number.

It is an amenable number.

647025134164 is a deficient number, since it is larger than the sum of its proper divisors (485935309836).

647025134164 is a wasteful number, since it uses less digits than its factorization.

647025134164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95208462 (or 95208460 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 647025134164 in words is "six hundred forty-seven billion, twenty-five million, one hundred thirty-four thousand, one hundred sixty-four".