16113657122 has 4 divisors (see below), whose sum is σ = 24170485686. Its totient is φ = 8056828560.

The previous prime is 16113657089. The next prime is 16113657137. The reversal of 16113657122 is 22175631161.

It is a happy number.

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., 13642473601 + 2471183521 = 116801^2 + 49711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4028414279 + ... + 4028414282.

Almost surely, 2^16113657122 is an apocalyptic number.

16113657122 is a deficient number, since it is larger than the sum of its proper divisors (8056828564).

16113657122 is an equidigital number, since it uses as much as digits as its factorization.

16113657122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056828563.

The product of its digits is 15120, while the sum is 35.

The spelling of 16113657122 in words is "sixteen billion, one hundred thirteen million, six hundred fifty-seven thousand, one hundred twenty-two".