660214452 has 24 divisors (see below), whose sum is σ = 1573278336. Its totient is φ = 215388928.

The previous prime is 660214441. The next prime is 660214463. The reversal of 660214452 is 254412066.

It is an interprime number because it is at equal distance from previous prime (660214441) and next prime (660214463).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584733 + ... + 585860.

It is an arithmetic number, because the mean of its divisors is an integer number (65553264).

Almost surely, 2^660214452 is an apocalyptic number.

It is an amenable number.

660214452 is an abundant number, since it is smaller than the sum of its proper divisors (913063884).

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

660214452 is a wasteful number, since it uses less digits than its factorization.

660214452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170647 (or 1170645 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 660214452 is about 25694.6385847320. The cubic root of 660214452 is about 870.7530591654.

The spelling of 660214452 in words is "six hundred sixty million, two hundred fourteen thousand, four hundred fifty-two".