18826066268 has 24 divisors (see below), whose sum is σ = 33755974560. Its totient is φ = 9181594880.

The previous prime is 18826066219. The next prime is 18826066277. The reversal of 18826066268 is 86266062881.

It is a super-2 number, since 2×18826066268² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1171673 + ... + 1187631.

It is an arithmetic number, because the mean of its divisors is an integer number (1406498940).

Almost surely, 2^18826066268 is an apocalyptic number.

It is an amenable number.

18826066268 is a deficient number, since it is larger than the sum of its proper divisors (14929908292).

18826066268 is a wasteful number, since it uses less digits than its factorization.

18826066268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197 (or 23195 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 18826066268 in words is "eighteen billion, eight hundred twenty-six million, sixty-six thousand, two hundred sixty-eight".