16885989122 has 4 divisors (see below), whose sum is σ = 25328983686. Its totient is φ = 8442994560.

The previous prime is 16885989089. The next prime is 16885989161. The reversal of 16885989122 is 22198958861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16882064761 + 3924361 = 129931^2 + 1981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221497279 + ... + 4221497282.

Almost surely, 2^16885989122 is an apocalyptic number.

16885989122 is a deficient number, since it is larger than the sum of its proper divisors (8442994564).

16885989122 is an equidigital number, since it uses as much as digits as its factorization.

16885989122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442994563.

The product of its digits is 4976640, while the sum is 59.

The spelling of 16885989122 in words is "sixteen billion, eight hundred eighty-five million, nine hundred eighty-nine thousand, one hundred twenty-two".