16497820740 has 48 divisors (see below), whose sum is σ = 46200913920. Its totient is φ = 4398750720.

The previous prime is 16497820727. The next prime is 16497820789. The reversal of 16497820740 is 4702879461.

It is a self number, because there is not a number n which added to its sum of digits gives 16497820740.

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, 474676 + ... + 508244.

It is an arithmetic number, because the mean of its divisors is an integer number (962519040).

Almost surely, 2^16497820740 is an apocalyptic number.

16497820740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16497820740 is an abundant number, since it is smaller than the sum of its proper divisors (29703093180).

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

16497820740 is a wasteful number, since it uses less digits than its factorization.

16497820740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41772 (or 41770 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 16497820740 in words is "sixteen billion, four hundred ninety-seven million, eight hundred twenty thousand, seven hundred forty".