16973890446 has 16 divisors (see below), whose sum is σ = 33949960704. Its totient is φ = 5657600184.

The previous prime is 16973890387. The next prime is 16973890469. The reversal of 16973890446 is 64409837961.

It is a super-2 number, since 2×16973890446² (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 7 ways as a sum of consecutive naturals, for example, 20995 + ... + 185441.

It is an arithmetic number, because the mean of its divisors is an integer number (2121872544).

Almost surely, 2^16973890446 is an apocalyptic number.

16973890446 is an abundant number, since it is smaller than the sum of its proper divisors (16976070258).

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

16973890446 is a wasteful number, since it uses less digits than its factorization.

16973890446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181655.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 16973890446 in words is "sixteen billion, nine hundred seventy-three million, eight hundred ninety thousand, four hundred forty-six".