5121501656 has 16 divisors (see below), whose sum is σ = 9613034640. Its totient is φ = 2558025760.

The previous prime is 5121501647. The next prime is 5121501673. The reversal of 5121501656 is 6561051215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332636 + ... + 347691.

It is an arithmetic number, because the mean of its divisors is an integer number (600814665).

Almost surely, 2^5121501656 is an apocalyptic number.

It is an amenable number.

5121501656 is a deficient number, since it is larger than the sum of its proper divisors (4491532984).

5121501656 is a wasteful number, since it uses less digits than its factorization.

5121501656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681274 (or 681270 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 5121501656 is about 71564.6676510134. The cubic root of 5121501656 is about 1723.7162365850.

The spelling of 5121501656 in words is "five billion, one hundred twenty-one million, five hundred one thousand, six hundred fifty-six".