18396660770 has 16 divisors (see below), whose sum is σ = 34182183168. Its totient is φ = 7121287920.

The previous prime is 18396660749. The next prime is 18396660773. The reversal of 18396660770 is 7706669381.

It is not an unprimeable number, because it can be changed into a prime (18396660773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29671724 + ... + 29672343.

It is an arithmetic number, because the mean of its divisors is an integer number (2136386448).

Almost surely, 2^18396660770 is an apocalyptic number.

18396660770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18396660770 is a deficient number, since it is larger than the sum of its proper divisors (15785522398).

18396660770 is a wasteful number, since it uses less digits than its factorization.

18396660770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59344105.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 18396660770 in words is "eighteen billion, three hundred ninety-six million, six hundred sixty thousand, seven hundred seventy".