1379641168 has 20 divisors (see below), whose sum is σ = 2675724948. Its totient is φ = 689131520.

The previous prime is 1379641147. The next prime is 1379641181. The reversal of 1379641168 is 8611469731.

It can be written as a sum of positive squares in 2 ways, for example, as 532132624 + 847508544 = 23068^2 + 29112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26353 + ... + 58768.

Almost surely, 2^1379641168 is an apocalyptic number.

It is an amenable number.

1379641168 is a deficient number, since it is larger than the sum of its proper divisors (1296083780).

1379641168 is a wasteful number, since it uses less digits than its factorization.

1379641168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86142 (or 86136 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 1379641168 is about 37143.5212116460. The cubic root of 1379641168 is about 1113.2397754060.

The spelling of 1379641168 in words is "one billion, three hundred seventy-nine million, six hundred forty-one thousand, one hundred sixty-eight".