16662372802 has 8 divisors (see below), whose sum is σ = 24994237500. Its totient is φ = 8330960304.

The previous prime is 16662372787. The next prime is 16662372803. The reversal of 16662372802 is 20827326661.

It can be written as a sum of positive squares in 2 ways, for example, as 15316290081 + 1346082721 = 123759^2 + 36689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16662372803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824 + ... + 182572.

Almost surely, 2^16662372802 is an apocalyptic number.

16662372802 is a deficient number, since it is larger than the sum of its proper divisors (8331864698).

16662372802 is a wasteful number, since it uses less digits than its factorization.

16662372802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226100.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 16662372802 in words is "sixteen billion, six hundred sixty-two million, three hundred seventy-two thousand, eight hundred two".