16857248836 has 6 divisors (see below), whose sum is σ = 29500185470. Its totient is φ = 8428624416.

The previous prime is 16857248747. The next prime is 16857248839. The reversal of 16857248836 is 63884275861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13153796100 + 3703452736 = 114690^2 + 60856^2 .

It is not an unprimeable number, because it can be changed into a prime (16857248839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107156101 + ... + 2107156108.

Almost surely, 2^16857248836 is an apocalyptic number.

It is an amenable number.

16857248836 is a deficient number, since it is larger than the sum of its proper divisors (12642936634).

16857248836 is a wasteful number, since it uses less digits than its factorization.

16857248836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214312213 (or 4214312211 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 16857248836 in words is "sixteen billion, eight hundred fifty-seven million, two hundred forty-eight thousand, eight hundred thirty-six".