1465163664 has 120 divisors (see below), whose sum is σ = 4084042176. Its totient is φ = 451756800.

The previous prime is 1465163603. The next prime is 1465163669. The reversal of 1465163664 is 4663615641.

Its product of digits (311040) is a multiple of the sum of its prime divisors (1440).

It is not an unprimeable number, because it can be changed into a prime (1465163669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1060254 + ... + 1061634.

Almost surely, 2^1465163664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1465163664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042021088).

1465163664 is an abundant number, since it is smaller than the sum of its proper divisors (2618878512).

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

1465163664 is a wasteful number, since it uses less digits than its factorization.

1465163664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1440 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 1465163664 is about 38277.4563418208. The cubic root of 1465163664 is about 1135.7830414539.

The spelling of 1465163664 in words is "one billion, four hundred sixty-five million, one hundred sixty-three thousand, six hundred sixty-four".