1337164644 has 12 divisors (see below), whose sum is σ = 3120050864. Its totient is φ = 445721544.

The previous prime is 1337164601. The next prime is 1337164651. The reversal of 1337164644 is 4464617331.

It is a tau number, because it is divible by the number of its divisors (12).

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, 55715182 + ... + 55715205.

Almost surely, 2^1337164644 is an apocalyptic number.

It is an amenable number.

1337164644 is an abundant number, since it is smaller than the sum of its proper divisors (1782886220).

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

1337164644 is a wasteful number, since it uses less digits than its factorization.

1337164644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111430394 (or 111430392 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 1337164644 is about 36567.2619155441. The cubic root of 1337164644 is about 1101.6956338979.

The spelling of 1337164644 in words is "one billion, three hundred thirty-seven million, one hundred sixty-four thousand, six hundred forty-four".