16625823122 has 4 divisors (see below), whose sum is σ = 24938734686. Its totient is φ = 8312911560.

The previous prime is 16625823059. The next prime is 16625823131. The reversal of 16625823122 is 22132852661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22132852661 = 1433 ⋅15445117.

It can be written as a sum of positive squares in only one way, i.e., 16133826361 + 491996761 = 127019^2 + 22181^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156455779 + ... + 4156455782.

Almost surely, 2^16625823122 is an apocalyptic number.

16625823122 is a deficient number, since it is larger than the sum of its proper divisors (8312911564).

16625823122 is an equidigital number, since it uses as much as digits as its factorization.

16625823122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312911563.

The product of its digits is 69120, while the sum is 38.

The spelling of 16625823122 in words is "sixteen billion, six hundred twenty-five million, eight hundred twenty-three thousand, one hundred twenty-two".