15716887540 has 24 divisors (see below), whose sum is σ = 33265354752. Its totient is φ = 6237252000.

The previous prime is 15716887519. The next prime is 15716887547. The reversal of 15716887540 is 4578861751.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15716887547) by changing a digit.

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, 3091336 + ... + 3096415.

It is an arithmetic number, because the mean of its divisors is an integer number (1386056448).

Almost surely, 2^15716887540 is an apocalyptic number.

15716887540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15716887540 is an abundant number, since it is smaller than the sum of its proper divisors (17548467212).

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

15716887540 is a wasteful number, since it uses less digits than its factorization.

15716887540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187887 (or 6187885 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 15716887540 in words is "fifteen billion, seven hundred sixteen million, eight hundred eighty-seven thousand, five hundred forty".