16100065660 has 24 divisors (see below), whose sum is σ = 38640157920. Its totient is φ = 5520022464.

The previous prime is 16100065627. The next prime is 16100065669. The reversal of 16100065660 is 6656000161.

It is a super-2 number, since 2×16100065660² (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 (16100065669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57500095 + ... + 57500374.

It is an arithmetic number, because the mean of its divisors is an integer number (1610006580).

Almost surely, 2^16100065660 is an apocalyptic number.

16100065660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16100065660 is an abundant number, since it is smaller than the sum of its proper divisors (22540092260).

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

16100065660 is a wasteful number, since it uses less digits than its factorization.

16100065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115000485 (or 115000483 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 16100065660 in words is "sixteen billion, one hundred million, sixty-five thousand, six hundred sixty".