663437152 has 24 divisors (see below), whose sum is σ = 1492734096. Its totient is φ = 284330112.

The previous prime is 663437119. The next prime is 663437161. The reversal of 663437152 is 251734366.

It is a super-3 number, since 3×663437152³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 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, 1480663 + ... + 1481110.

It is an arithmetic number, because the mean of its divisors is an integer number (62197254).

Almost surely, 2^663437152 is an apocalyptic number.

It is an amenable number.

663437152 is an abundant number, since it is smaller than the sum of its proper divisors (829296944).

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

663437152 is a wasteful number, since it uses less digits than its factorization.

663437152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961790 (or 2961782 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 663437152 is about 25757.2737687823. The cubic root of 663437152 is about 872.1675603148.

The spelling of 663437152 in words is "six hundred sixty-three million, four hundred thirty-seven thousand, one hundred fifty-two".