18580213970 has 16 divisors (see below), whose sum is σ = 34898489280. Its totient is φ = 7108951344.

The previous prime is 18580213921. The next prime is 18580213997. The reversal of 18580213970 is 7931208581.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40391540 + ... + 40391999.

It is an arithmetic number, because the mean of its divisors is an integer number (2181155580).

Almost surely, 2^18580213970 is an apocalyptic number.

18580213970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18580213970 is a deficient number, since it is larger than the sum of its proper divisors (16318275310).

18580213970 is a wasteful number, since it uses less digits than its factorization.

18580213970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80783569.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 18580213970 in words is "eighteen billion, five hundred eighty million, two hundred thirteen thousand, nine hundred seventy".