1670418684 has 72 divisors (see below), whose sum is σ = 4620343728. Its totient is φ = 504645120.

The previous prime is 1670418653. The next prime is 1670418697. The reversal of 1670418684 is 4868140761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127194 + ... + 139710.

Almost surely, 2^1670418684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1670418684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2310171864).

1670418684 is an abundant number, since it is smaller than the sum of its proper divisors (2949925044).

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

1670418684 is a wasteful number, since it uses less digits than its factorization.

1670418684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875 (or 12870 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1670418684 is about 40870.7558530546. The cubic root of 1670418684 is about 1186.5201363839.

The spelling of 1670418684 in words is "one billion, six hundred seventy million, four hundred eighteen thousand, six hundred eighty-four".