16156116660 has 24 divisors (see below), whose sum is σ = 45237126816. Its totient is φ = 4308297760.

The previous prime is 16156116629. The next prime is 16156116673. The reversal of 16156116660 is 6661165161.

It is a super-2 number, since 2×16156116660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134634246 + ... + 134634365.

It is an arithmetic number, because the mean of its divisors is an integer number (1884880284).

Almost surely, 2^16156116660 is an apocalyptic number.

16156116660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16156116660 is an abundant number, since it is smaller than the sum of its proper divisors (29081010156).

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

16156116660 is a wasteful number, since it uses less digits than its factorization.

16156116660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269268623 (or 269268621 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 16156116660 in words is "sixteen billion, one hundred fifty-six million, one hundred sixteen thousand, six hundred sixty".