18670346860 has 48 divisors (see below), whose sum is σ = 43473280032. Its totient is φ = 6677913600.

The previous prime is 18670346857. The next prime is 18670346867. The reversal of 18670346860 is 6864307681.

It is not an unprimeable number, because it can be changed into a prime (18670346867) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 682197 + ... + 709036.

It is an arithmetic number, because the mean of its divisors is an integer number (905693334).

Almost surely, 2^18670346860 is an apocalyptic number.

18670346860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18670346860 is an abundant number, since it is smaller than the sum of its proper divisors (24802933172).

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

18670346860 is a wasteful number, since it uses less digits than its factorization.

18670346860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391314 (or 1391312 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 18670346860 in words is "eighteen billion, six hundred seventy million, three hundred forty-six thousand, eight hundred sixty".