18140570466 has 16 divisors (see below), whose sum is σ = 36284324544. Its totient is φ = 6046326224.

The previous prime is 18140570431. The next prime is 18140570471. The reversal of 18140570466 is 66407504181.

It is a super-2 number, since 2×18140570466² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 55086 + ... + 198281.

It is an arithmetic number, because the mean of its divisors is an integer number (2267770284).

Almost surely, 2^18140570466 is an apocalyptic number.

18140570466 is an abundant number, since it is smaller than the sum of its proper divisors (18143754078).

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

18140570466 is a wasteful number, since it uses less digits than its factorization.

18140570466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265305.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 18140570466 in words is "eighteen billion, one hundred forty million, five hundred seventy thousand, four hundred sixty-six".