1670860799 has 8 divisors (see below), whose sum is σ = 1692617472. Its totient is φ = 1649143000.

The previous prime is 1670860787. The next prime is 1670860831. The reversal of 1670860799 is 9970680761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670860799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1670860799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670860999) 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, 82424 + ... + 100674.

It is an arithmetic number, because the mean of its divisors is an integer number (211577184).

Almost surely, 2^1670860799 is an apocalyptic number.

1670860799 is a deficient number, since it is larger than the sum of its proper divisors (21756673).

1670860799 is a wasteful number, since it uses less digits than its factorization.

1670860799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19437.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 1670860799 is about 40876.1641913720. The cubic root of 1670860799 is about 1186.6248071633.

The spelling of 1670860799 in words is "one billion, six hundred seventy million, eight hundred sixty thousand, seven hundred ninety-nine".