18070840678 has 16 divisors (see below), whose sum is σ = 29572531200. Its totient is φ = 8213445000.

The previous prime is 18070840657. The next prime is 18070840691. The reversal of 18070840678 is 87604807081.

It is a congruent 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, 595723 + ... + 625321.

It is an arithmetic number, because the mean of its divisors is an integer number (1848283200).

Almost surely, 2^18070840678 is an apocalyptic number.

18070840678 is a deficient number, since it is larger than the sum of its proper divisors (11501690522).

18070840678 is a wasteful number, since it uses less digits than its factorization.

18070840678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57363.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 18070840678 in words is "eighteen billion, seventy million, eight hundred forty thousand, six hundred seventy-eight".