18467645090 has 16 divisors (see below), whose sum is σ = 33495517440. Its totient is φ = 7330667760.

The previous prime is 18467645081. The next prime is 18467645197. The reversal of 18467645090 is 9054676481.

It is a super-2 number, since 2×18467645090² (a number of 21 digits) contains 22 as substring.

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, 7047410 + ... + 7050029.

It is an arithmetic number, because the mean of its divisors is an integer number (2093469840).

Almost surely, 2^18467645090 is an apocalyptic number.

18467645090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18467645090 is a deficient number, since it is larger than the sum of its proper divisors (15027872350).

18467645090 is a wasteful number, since it uses less digits than its factorization.

18467645090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097577.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 18467645090 in words is "eighteen billion, four hundred sixty-seven million, six hundred forty-five thousand, ninety".