1670424885 has 48 divisors (see below), whose sum is σ = 2980074240. Its totient is φ = 865138560.

The previous prime is 1670424859. The next prime is 1670424929. The reversal of 1670424885 is 5884240761.

1670424885 is a `hidden beast` number, since 167 + 0 + 4 + 2 + 488 + 5 = 666.

It is not a de Polignac number, because 1670424885 - 2⁷ = 1670424757 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 1670424885.

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, 274051 + ... + 280079.

It is an arithmetic number, because the mean of its divisors is an integer number (62084880).

Almost surely, 2^1670424885 is an apocalyptic number.

1670424885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1670424885 is a deficient number, since it is larger than the sum of its proper divisors (1309649355).

1670424885 is a wasteful number, since it uses less digits than its factorization.

1670424885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1670424885 is about 40870.8317140721. The cubic root of 1670424885 is about 1186.5216045991.

The spelling of 1670424885 in words is "one billion, six hundred seventy million, four hundred twenty-four thousand, eight hundred eighty-five".