16864654882 has 8 divisors (see below), whose sum is σ = 25298118252. Its totient is φ = 8431948800.

The previous prime is 16864654853. The next prime is 16864654901. The reversal of 16864654882 is 28845646861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16542847161 + 321807721 = 128619^2 + 17939^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129919 + ... + 224962.

Almost surely, 2^16864654882 is an apocalyptic number.

16864654882 is a deficient number, since it is larger than the sum of its proper divisors (8433463370).

16864654882 is a wasteful number, since it uses less digits than its factorization.

16864654882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378644.

The product of its digits is 17694720, while the sum is 58.

The spelling of 16864654882 in words is "sixteen billion, eight hundred sixty-four million, six hundred fifty-four thousand, eight hundred eighty-two".