16115761500 has 96 divisors (see below), whose sum is σ = 47724768000. Its totient is φ = 4224673600.

The previous prime is 16115761481. The next prime is 16115761517. The reversal of 16115761500 is 516751161.

It is a congruent number.

It is an unprimeable number.

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, 2550 + ... + 179549.

It is an arithmetic number, because the mean of its divisors is an integer number (497133000).

Almost surely, 2^16115761500 is an apocalyptic number.

16115761500 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 16115761500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23862384000).

16115761500 is an abundant number, since it is smaller than the sum of its proper divisors (31609006500).

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

16115761500 is a wasteful number, since it uses less digits than its factorization.

16115761500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182180 (or 182168 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 16115761500 in words is "sixteen billion, one hundred fifteen million, seven hundred sixty-one thousand, five hundred".