18426666760 has 32 divisors (see below), whose sum is σ = 41469047640. Its totient is φ = 7369058304.

The previous prime is 18426666757. The next prime is 18426666761. The reversal of 18426666760 is 6766662481.

It can be written as a sum of positive squares in 4 ways, for example, as 16662162724 + 1764504036 = 129082^2 + 42006^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18426666698 and 18426666707.

It is not an unprimeable number, because it can be changed into a prime (18426666761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144664 + ... + 240376.

Almost surely, 2^18426666760 is an apocalyptic number.

18426666760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18426666760 is an abundant number, since it is smaller than the sum of its proper divisors (23042380880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18426666760 is a wasteful number, since it uses less digits than its factorization.

18426666760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100537 (or 100533 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 18426666760 in words is "eighteen billion, four hundred twenty-six million, six hundred sixty-six thousand, seven hundred sixty".