16156512660 has 96 divisors (see below), whose sum is σ = 45962727552. Its totient is φ = 4239544320.

The previous prime is 16156512607. The next prime is 16156512661. The reversal of 16156512660 is 6621565161.

It is a super-2 number, since 2×16156512660² (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 (16156512661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5469744 + ... + 5472696.

It is an arithmetic number, because the mean of its divisors is an integer number (478778412).

Almost surely, 2^16156512660 is an apocalyptic number.

16156512660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16156512660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22981363776).

16156512660 is an abundant number, since it is smaller than the sum of its proper divisors (29806214892).

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

16156512660 is a wasteful number, since it uses less digits than its factorization.

16156512660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 16156512660 in words is "sixteen billion, one hundred fifty-six million, five hundred twelve thousand, six hundred sixty".