1670009085 has 48 divisors (see below), whose sum is σ = 3061805760. Its totient is φ = 839704320.

The previous prime is 1670009069. The next prime is 1670009111. The reversal of 1670009085 is 5809000761.

1670009085 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1670009085 - 2⁴ = 1670009069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175777 + ... + 185033.

It is an arithmetic number, because the mean of its divisors is an integer number (63787620).

Almost surely, 2^1670009085 is an apocalyptic number.

1670009085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1670009085 is a deficient number, since it is larger than the sum of its proper divisors (1391796675).

1670009085 is a wasteful number, since it uses less digits than its factorization.

1670009085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498 (or 9495 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1670009085 is about 40865.7446402240. The cubic root of 1670009085 is about 1186.4231472888.

The spelling of 1670009085 in words is "one billion, six hundred seventy million, nine thousand, eighty-five".