16674685456 has 80 divisors (see below), whose sum is σ = 39953067840. Its totient is φ = 6628124160.

The previous prime is 16674685451. The next prime is 16674685459. The reversal of 16674685456 is 65458647661.

It is a self number, because there is not a number n which added to its sum of digits gives 16674685456.

It is not an unprimeable number, because it can be changed into a prime (16674685451) 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, 148315 + ... + 235258.

It is an arithmetic number, because the mean of its divisors is an integer number (499413348).

Almost surely, 2^16674685456 is an apocalyptic number.

16674685456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16674685456 is an abundant number, since it is smaller than the sum of its proper divisors (23278382384).

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

16674685456 is a wasteful number, since it uses less digits than its factorization.

16674685456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383624 (or 383618 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 16674685456 in words is "sixteen billion, six hundred seventy-four million, six hundred eighty-five thousand, four hundred fifty-six".