18084207970 has 16 divisors (see below), whose sum is σ = 32716814328. Its totient is φ = 7196963200.

The previous prime is 18084207919. The next prime is 18084207989. The reversal of 18084207970 is 7970248081.

It can be written as a sum of positive squares in 4 ways, for example, as 16464225969 + 1619982001 = 128313^2 + 40249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18084207970.

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, 4587931 + ... + 4591870.

Almost surely, 2^18084207970 is an apocalyptic number.

18084207970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18084207970 is a deficient number, since it is larger than the sum of its proper divisors (14632606358).

18084207970 is a wasteful number, since it uses less digits than its factorization.

18084207970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180005.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 18084207970 in words is "eighteen billion, eighty-four million, two hundred seven thousand, nine hundred seventy".