670182660 has 240 divisors, whose sum is σ = 2428626816. Its totient is φ = 151538688.

The previous prime is 670182659. The next prime is 670182677. The reversal of 670182660 is 66281076.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1281159 + ... + 1281681.

Almost surely, 2^670182660 is an apocalyptic number.

670182660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670182660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214313408).

670182660 is an abundant number, since it is smaller than the sum of its proper divisors (1758444156).

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

670182660 is a wasteful number, since it uses less digits than its factorization.

670182660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 670182660 is about 25887.8863563637. The cubic root of 670182660 is about 875.1135243181.

The spelling of 670182660 in words is "six hundred seventy million, one hundred eighty-two thousand, six hundred sixty".