16542045380 has 48 divisors (see below), whose sum is σ = 39717793920. Its totient is φ = 5669146368.

The previous prime is 16542045379. The next prime is 16542045391. The reversal of 16542045380 is 8354024561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322331 + ... + 370109.

It is an arithmetic number, because the mean of its divisors is an integer number (827454040).

Almost surely, 2^16542045380 is an apocalyptic number.

16542045380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16542045380 is an abundant number, since it is smaller than the sum of its proper divisors (23175748540).

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

16542045380 is a wasteful number, since it uses less digits than its factorization.

16542045380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50268 (or 50266 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 16542045380 in words is "sixteen billion, five hundred forty-two million, forty-five thousand, three hundred eighty".