1319328664 has 8 divisors (see below), whose sum is σ = 2473741260. Its totient is φ = 659664328.

The previous prime is 1319328653. The next prime is 1319328671. The reversal of 1319328664 is 4668239131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1319328664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82458034 + ... + 82458049.

Almost surely, 2^1319328664 is an apocalyptic number.

It is an amenable number.

1319328664 is a deficient number, since it is larger than the sum of its proper divisors (1154412596).

1319328664 is a wasteful number, since it uses less digits than its factorization.

1319328664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164916089 (or 164916085 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 1319328664 is about 36322.5641165378. The cubic root of 1319328664 is about 1096.7753118754.

The spelling of 1319328664 in words is "one billion, three hundred nineteen million, three hundred twenty-eight thousand, six hundred sixty-four".