667287152 has 40 divisors (see below), whose sum is σ = 1525235712. Its totient is φ = 276753600.

The previous prime is 667287151. The next prime is 667287161. The reversal of 667287152 is 251782766.

It is a super-2 number, since 2×667287152² = 890544286448542208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667287151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92624 + ... + 99567.

Almost surely, 2^667287152 is an apocalyptic number.

667287152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

667287152 is an abundant number, since it is smaller than the sum of its proper divisors (857948560).

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

667287152 is a wasteful number, since it uses less digits than its factorization.

667287152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192237 (or 192231 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 667287152 is about 25831.9018270045. The cubic root of 667287152 is about 873.8514026301.

The spelling of 667287152 in words is "six hundred sixty-seven million, two hundred eighty-seven thousand, one hundred fifty-two".