16132865540 has 24 divisors (see below), whose sum is σ = 36958928832. Its totient is φ = 5866496480.

The previous prime is 16132865537. The next prime is 16132865549. The reversal of 16132865540 is 4556823161.

It is not an unprimeable number, because it can be changed into a prime (16132865549) 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, 36665384 + ... + 36665823.

It is an arithmetic number, because the mean of its divisors is an integer number (1539955368).

Almost surely, 2^16132865540 is an apocalyptic number.

16132865540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16132865540 is an abundant number, since it is smaller than the sum of its proper divisors (20826063292).

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

16132865540 is a wasteful number, since it uses less digits than its factorization.

16132865540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73331227 (or 73331225 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 16132865540 in words is "sixteen billion, one hundred thirty-two million, eight hundred sixty-five thousand, five hundred forty".