16662457683 has 24 divisors (see below), whose sum is σ = 25764148800. Its totient is φ = 10345284144.

The previous prime is 16662457661. The next prime is 16662457697. The reversal of 16662457683 is 38675426661.

It is not a de Polignac number, because 16662457683 - 2¹³ = 16662449491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16662457613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815685 + ... + 835862.

It is an arithmetic number, because the mean of its divisors is an integer number (1073506200).

Almost surely, 2^16662457683 is an apocalyptic number.

16662457683 is a deficient number, since it is larger than the sum of its proper divisors (9101691117).

16662457683 is a wasteful number, since it uses less digits than its factorization.

16662457683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651631 (or 1651628 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 16662457683 in words is "sixteen billion, six hundred sixty-two million, four hundred fifty-seven thousand, six hundred eighty-three".