15766546540 has 12 divisors (see below), whose sum is σ = 33109747776. Its totient is φ = 6306618608.

The previous prime is 15766546513. The next prime is 15766546561. The reversal of 15766546540 is 4564566751.

15766546540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394163644 + ... + 394163683.

It is an arithmetic number, because the mean of its divisors is an integer number (2759145648).

Almost surely, 2^15766546540 is an apocalyptic number.

15766546540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15766546540 is an abundant number, since it is smaller than the sum of its proper divisors (17343201236).

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

15766546540 is a wasteful number, since it uses less digits than its factorization.

15766546540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788327336 (or 788327334 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 15766546540 in words is "fifteen billion, seven hundred sixty-six million, five hundred forty-six thousand, five hundred forty".