1670853912 has 64 divisors (see below), whose sum is σ = 5141095680. Its totient is φ = 440664192.

The previous prime is 1670853911. The next prime is 1670853931. The reversal of 1670853912 is 2193580761.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670853911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380338 + ... + 384705.

It is an arithmetic number, because the mean of its divisors is an integer number (80329620).

Almost surely, 2^1670853912 is an apocalyptic number.

1670853912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670853912 is an abundant number, since it is smaller than the sum of its proper divisors (3470241768).

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

1670853912 is a wasteful number, since it uses less digits than its factorization.

1670853912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765072 (or 765068 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1670853912 is about 40876.0799490362. The cubic root of 1670853912 is about 1186.6231768068.

The spelling of 1670853912 in words is "one billion, six hundred seventy million, eight hundred fifty-three thousand, nine hundred twelve".