18870070174 has 16 divisors (see below), whose sum is σ = 29058978816. Its totient is φ = 9184752000.

The previous prime is 18870070151. The next prime is 18870070183. The reversal of 18870070174 is 47107007881.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18870070174.

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, 214302 + ... + 289249.

It is an arithmetic number, because the mean of its divisors is an integer number (1816186176).

Almost surely, 2^18870070174 is an apocalyptic number.

18870070174 is a deficient number, since it is larger than the sum of its proper divisors (10188908642).

18870070174 is a wasteful number, since it uses less digits than its factorization.

18870070174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504051.

The product of its (nonzero) digits is 87808, while the sum is 43.

The spelling of 18870070174 in words is "eighteen billion, eight hundred seventy million, seventy thousand, one hundred seventy-four".