1680348692 has 24 divisors (see below), whose sum is σ = 3229480800. Its totient is φ = 758665760.

The previous prime is 1680348679. The next prime is 1680348713. The reversal of 1680348692 is 2968430861.

It is a super-2 number, since 2×1680348692² = 5647143453412221728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121598 + ... + 134709.

It is an arithmetic number, because the mean of its divisors is an integer number (134561700).

Almost surely, 2^1680348692 is an apocalyptic number.

It is an amenable number.

1680348692 is a deficient number, since it is larger than the sum of its proper divisors (1549132108).

1680348692 is a wasteful number, since it uses less digits than its factorization.

1680348692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256471 (or 256469 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1680348692 is about 40992.0564500002. The cubic root of 1680348692 is about 1188.8666308168.

The spelling of 1680348692 in words is "one billion, six hundred eighty million, three hundred forty-eight thousand, six hundred ninety-two".