5651661016 has 32 divisors (see below), whose sum is σ = 11708051040. Its totient is φ = 2543968768.

The previous prime is 5651661007. The next prime is 5651661061. The reversal of 5651661016 is 6101661565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900271 + ... + 906526.

It is an arithmetic number, because the mean of its divisors is an integer number (365876595).

Almost surely, 2^5651661016 is an apocalyptic number.

It is an amenable number.

5651661016 is an abundant number, since it is smaller than the sum of its proper divisors (6056390024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5651661016 is a wasteful number, since it uses less digits than its factorization.

5651661016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806843 (or 1806839 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5651661016 is about 75177.5299940082. The cubic root of 5651661016 is about 1781.2520139901.

The spelling of 5651661016 in words is "five billion, six hundred fifty-one million, six hundred sixty-one thousand, sixteen".