15656061016 has 8 divisors (see below), whose sum is σ = 29355114420. Its totient is φ = 7828030504.

The previous prime is 15656061013. The next prime is 15656061019. The reversal of 15656061016 is 61016065651.

It is an interprime number because it is at equal distance from previous prime (15656061013) and next prime (15656061019).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×15656061016² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15656061013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978503806 + ... + 978503821.

Almost surely, 2^15656061016 is an apocalyptic number.

It is an amenable number.

15656061016 is a deficient number, since it is larger than the sum of its proper divisors (13699053404).

15656061016 is a wasteful number, since it uses less digits than its factorization.

15656061016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957007633 (or 1957007629 counting only the distinct ones).

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

The spelling of 15656061016 in words is "fifteen billion, six hundred fifty-six million, sixty-one thousand, sixteen".