1680410904 has 32 divisors (see below), whose sum is σ = 4202342640. Its totient is φ = 559961600.

The previous prime is 1680410903. The next prime is 1680410911. The reversal of 1680410904 is 4090140861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680410903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84124 + ... + 102164.

Almost surely, 2^1680410904 is an apocalyptic number.

It is an amenable number.

1680410904 is an abundant number, since it is smaller than the sum of its proper divisors (2521931736).

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

1680410904 is a wasteful number, since it uses less digits than its factorization.

1680410904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21931 (or 21927 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1680410904 is about 40992.8152729231. The cubic root of 1680410904 is about 1188.8813025451.

The spelling of 1680410904 in words is "one billion, six hundred eighty million, four hundred ten thousand, nine hundred four".