1670703885 has 48 divisors (see below), whose sum is σ = 2972998080. Its totient is φ = 867605760.

The previous prime is 1670703841. The next prime is 1670703901. The reversal of 1670703885 is 5883070761.

1670703885 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 1670703885 - 2¹⁰ = 1670702861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1670703885.

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, 281145 + ... + 287025.

It is an arithmetic number, because the mean of its divisors is an integer number (61937460).

Almost surely, 2^1670703885 is an apocalyptic number.

1670703885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1670703885 is a deficient number, since it is larger than the sum of its proper divisors (1302294195).

1670703885 is a wasteful number, since it uses less digits than its factorization.

1670703885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1670703885 is about 40874.2447636651. The cubic root of 1670703885 is about 1186.5876598689.

The spelling of 1670703885 in words is "one billion, six hundred seventy million, seven hundred three thousand, eight hundred eighty-five".