16893240676 has 27 divisors (see below), whose sum is σ = 32018596281. Its totient is φ = 7795320624.

The previous prime is 16893240659. The next prime is 16893240713. The reversal of 16893240676 is 67604239861.

The square root of 16893240676 is 129974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2499000100 + 14394240576 = 49990^2 + 119976^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3376825 + ... + 3381823.

Almost surely, 2^16893240676 is an apocalyptic number.

16893240676 is the 129974-th square number.

It is an amenable number.

16893240676 is a deficient number, since it is larger than the sum of its proper divisors (15125355605).

16893240676 is an frugal number, since it uses more digits than its factorization.

16893240676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 16893240676 in words is "sixteen billion, eight hundred ninety-three million, two hundred forty thousand, six hundred seventy-six".