18606667280670 has 512 divisors, whose sum is σ = 62626391654400. Its totient is φ = 3835207180800.

The previous prime is 18606667280659. The next prime is 18606667280687. The reversal of 18606667280670 is 7608276660681.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 18606667280598 and 18606667280607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 67768807 + ... + 68042813.

It is an arithmetic number, because the mean of its divisors is an integer number (122317171200).

Almost surely, 2^{18606667280670} is an apocalyptic number.

18606667280670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18606667280670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31313195827200).

18606667280670 is an abundant number, since it is smaller than the sum of its proper divisors (44019724373730).

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

18606667280670 is a wasteful number, since it uses less digits than its factorization.

18606667280670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274141 (or 274135 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 18606667280670 in words is "eighteen trillion, six hundred six billion, six hundred sixty-seven million, two hundred eighty thousand, six hundred seventy".