16980540747 has 16 divisors (see below), whose sum is σ = 23160276480. Its totient is φ = 11061371232.

The previous prime is 16980540739. The next prime is 16980540779. The reversal of 16980540747 is 74704508961.

It is not a de Polignac number, because 16980540747 - 2³ = 16980540739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16980540747.

It is not an unprimeable number, because it can be changed into a prime (16980540547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11797 + ... + 184662.

It is an arithmetic number, because the mean of its divisors is an integer number (1447517280).

Almost surely, 2^16980540747 is an apocalyptic number.

16980540747 is a deficient number, since it is larger than the sum of its proper divisors (6179735733).

16980540747 is a wasteful number, since it uses less digits than its factorization.

16980540747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197122.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 16980540747 in words is "sixteen billion, nine hundred eighty million, five hundred forty thousand, seven hundred forty-seven".