16115601560 has 16 divisors (see below), whose sum is σ = 36260103600. Its totient is φ = 6446240608.

The previous prime is 16115601539. The next prime is 16115601569. The reversal of 16115601560 is 6510651161.

It is a super-2 number, since 2×16115601560² (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 (16115601569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201444980 + ... + 201445059.

It is an arithmetic number, because the mean of its divisors is an integer number (2266256475).

Almost surely, 2^16115601560 is an apocalyptic number.

16115601560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16115601560 is an abundant number, since it is smaller than the sum of its proper divisors (20144502040).

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

16115601560 is a wasteful number, since it uses less digits than its factorization.

16115601560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402890050 (or 402890046 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 16115601560 in words is "sixteen billion, one hundred fifteen million, six hundred one thousand, five hundred sixty".