668152 has 16 divisors (see below), whose sum is σ = 1280160. Its totient is φ = 326784.

The previous prime is 668141. The next prime is 668153. The reversal of 668152 is 251866.

668152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 668152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (80010).

2⁶⁶⁸¹⁵² is an apocalyptic number.

It is an amenable number.

668152 is a deficient number, since it is larger than the sum of its proper divisors (612008).

668152 is a wasteful number, since it uses less digits than its factorization.

668152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1826 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 668152 is about 817.4056520480. The cubic root of 668152 is about 87.4228762597.

It can be divided in two parts, 668 and 152, that added together give a triangular number (820 = T₄₀).

The spelling of 668152 in words is "six hundred sixty-eight thousand, one hundred fifty-two".