18926156852 has 12 divisors (see below), whose sum is σ = 33240346020. Its totient is φ = 9428915136.

The previous prime is 18926156827. The next prime is 18926156881. The reversal of 18926156852 is 25865162981.

It can be written as a sum of positive squares in 2 ways, for example, as 8488673956 + 10437482896 = 92134^2 + 102164^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18926156794 and 18926156803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539577 + ... + 8541792.

It is an arithmetic number, because the mean of its divisors is an integer number (2770028835).

Almost surely, 2^18926156852 is an apocalyptic number.

It is an amenable number.

18926156852 is a deficient number, since it is larger than the sum of its proper divisors (14314189168).

18926156852 is a wasteful number, since it uses less digits than its factorization.

18926156852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17081650 (or 17081648 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 53.

The spelling of 18926156852 in words is "eighteen billion, nine hundred twenty-six million, one hundred fifty-six thousand, eight hundred fifty-two".