1680667464 has 96 divisors (see below), whose sum is σ = 5175226080. Its totient is φ = 451938816.

The previous prime is 1680667453. The next prime is 1680667519. The reversal of 1680667464 is 4647660861.

It is a super-4 number, since 4×1680667464⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22042 + ... + 62025.

It is an arithmetic number, because the mean of its divisors is an integer number (53908605).

Almost surely, 2^1680667464 is an apocalyptic number.

1680667464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1680667464 is an abundant number, since it is smaller than the sum of its proper divisors (3494558616).

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

1680667464 is a wasteful number, since it uses less digits than its factorization.

1680667464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84107 (or 84096 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 1680667464 is about 40995.9444823509. The cubic root of 1680667464 is about 1188.9418043871.

The spelling of 1680667464 in words is "one billion, six hundred eighty million, six hundred sixty-seven thousand, four hundred sixty-four".