18696090670 has 16 divisors (see below), whose sum is σ = 33875833248. Its totient is φ = 7428909600.

The previous prime is 18696090659. The next prime is 18696090671. The reversal of 18696090670 is 7609069681.

It is a super-2 number, since 2×18696090670² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18696090671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189249 + ... + 6192268.

It is an arithmetic number, because the mean of its divisors is an integer number (2117239578).

Almost surely, 2^18696090670 is an apocalyptic number.

18696090670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18696090670 is a deficient number, since it is larger than the sum of its proper divisors (15179742578).

18696090670 is a wasteful number, since it uses less digits than its factorization.

18696090670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12381675.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 18696090670 in words is "eighteen billion, six hundred ninety-six million, ninety thousand, six hundred seventy".