16101651556 has 24 divisors (see below), whose sum is σ = 29192740920. Its totient is φ = 7761691392.

The previous prime is 16101651529. The next prime is 16101651613. The reversal of 16101651556 is 65515610161.

It can be written as a sum of positive squares in 4 ways, for example, as 12686417956 + 3415233600 = 112634^2 + 58440^2 .

It is a super-2 number, since 2×16101651556² (a number of 21 digits) contains 22 as substring.

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, 23985 + ... + 181048.

It is an arithmetic number, because the mean of its divisors is an integer number (1216364205).

Almost surely, 2^16101651556 is an apocalyptic number.

It is an amenable number.

16101651556 is a deficient number, since it is larger than the sum of its proper divisors (13091089364).

16101651556 is a wasteful number, since it uses less digits than its factorization.

16101651556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205743 (or 205741 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 16101651556 in words is "sixteen billion, one hundred one million, six hundred fifty-one thousand, five hundred fifty-six".