1670421360 has 320 divisors, whose sum is σ = 5800771584. Its totient is φ = 395673600.

The previous prime is 1670421317. The next prime is 1670421451. The reversal of 1670421360 is 631240761.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5944420 + ... + 5944700.

Almost surely, 2^1670421360 is an apocalyptic number.

1670421360 is a gapful number since it is divisible by the number (10) 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 1670421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900385792).

1670421360 is an abundant number, since it is smaller than the sum of its proper divisors (4130350224).

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

1670421360 is a wasteful number, since it uses less digits than its factorization.

1670421360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1670421360 is about 40870.7885903857. The cubic root of 1670421360 is about 1186.5207699828.

The spelling of 1670421360 in words is "one billion, six hundred seventy million, four hundred twenty-one thousand, three hundred sixty".