16981207004 has 12 divisors (see below), whose sum is σ = 31009160784. Its totient is φ = 8121446784.

The previous prime is 16981206967. The next prime is 16981207039. The reversal of 16981207004 is 40070218961.

It is a super-2 number, since 2×16981207004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92289077 + ... + 92289260.

It is an arithmetic number, because the mean of its divisors is an integer number (2584096732).

Almost surely, 2^16981207004 is an apocalyptic number.

It is an amenable number.

16981207004 is a deficient number, since it is larger than the sum of its proper divisors (14027953780).

16981207004 is a wasteful number, since it uses less digits than its factorization.

16981207004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184578364 (or 184578362 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 16981207004 in words is "sixteen billion, nine hundred eighty-one million, two hundred seven thousand, four".