1670639014 has 12 divisors (see below), whose sum is σ = 2754483732. Its totient is φ = 759381260.

The previous prime is 1670638999. The next prime is 1670639021. The reversal of 1670639014 is 4109360761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3451492 + ... + 3451975.

It is an arithmetic number, because the mean of its divisors is an integer number (229540311).

Almost surely, 2^1670639014 is an apocalyptic number.

1670639014 is a deficient number, since it is larger than the sum of its proper divisors (1083844718).

1670639014 is a wasteful number, since it uses less digits than its factorization.

1670639014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903491 (or 6903480 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1670639014 is about 40873.4512122478. The cubic root of 1670639014 is about 1186.5723018462.

Adding to 1670639014 its reverse (4109360761), we get a palindrome (5779999775).

The spelling of 1670639014 in words is "one billion, six hundred seventy million, six hundred thirty-nine thousand, fourteen".