18764675722 has 16 divisors (see below), whose sum is σ = 30316051080. Its totient is φ = 8659510272.

The previous prime is 18764675687. The next prime is 18764675731. The reversal of 18764675722 is 22757646781.

It can be written as a sum of positive squares in 4 ways, for example, as 10401756121 + 8362919601 = 101989^2 + 91449^2 .

It is a super-2 number, since 2×18764675722² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181918 + ... + 265750.

Almost surely, 2^18764675722 is an apocalyptic number.

18764675722 is a deficient number, since it is larger than the sum of its proper divisors (11551375358).

18764675722 is a wasteful number, since it uses less digits than its factorization.

18764675722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92457.

The product of its digits is 7902720, while the sum is 55.

The spelling of 18764675722 in words is "eighteen billion, seven hundred sixty-four million, six hundred seventy-five thousand, seven hundred twenty-two".