16680740373 has 64 divisors (see below), whose sum is σ = 27306512640. Its totient is φ = 9980006400.

The previous prime is 16680740339. The next prime is 16680740393. The reversal of 16680740373 is 37304708661.

16680740373 is a `hidden beast` number, since 166 + 80 + 7 + 40 + 373 = 666.

It is not a de Polignac number, because 16680740373 - 2⁹ = 16680739861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680740333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8014693 + ... + 8016773.

It is an arithmetic number, because the mean of its divisors is an integer number (426664260).

Almost surely, 2^16680740373 is an apocalyptic number.

It is an amenable number.

16680740373 is a deficient number, since it is larger than the sum of its proper divisors (10625772267).

16680740373 is a wasteful number, since it uses less digits than its factorization.

16680740373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 16680740373 in words is "sixteen billion, six hundred eighty million, seven hundred forty thousand, three hundred seventy-three".