1330605864 has 96 divisors (see below), whose sum is σ = 4128983040. Its totient is φ = 379209600.

The previous prime is 1330605851. The next prime is 1330605919. The reversal of 1330605864 is 4685060331.

1330605864 is a `hidden beast` number, since 13 + 3 + 0 + 60 + 586 + 4 = 666.

It is a super-2 number, since 2×1330605864² = 3541023930622372992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209049 + ... + 215319.

It is an arithmetic number, because the mean of its divisors is an integer number (43010240).

Almost surely, 2^1330605864 is an apocalyptic number.

1330605864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330605864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064491520).

1330605864 is an abundant number, since it is smaller than the sum of its proper divisors (2798377176).

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

1330605864 is a wasteful number, since it uses less digits than its factorization.

1330605864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1330605864 is about 36477.4706359967. The cubic root of 1330605864 is about 1099.8914118704.

The spelling of 1330605864 in words is "one billion, three hundred thirty million, six hundred five thousand, eight hundred sixty-four".