666200632 has 8 divisors (see below), whose sum is σ = 1249126200. Its totient is φ = 333100312.

The previous prime is 666200611. The next prime is 666200657. The reversal of 666200632 is 236002666.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 666200594 and 666200603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41637532 + ... + 41637547.

It is an arithmetic number, because the mean of its divisors is an integer number (156140775).

Almost surely, 2^666200632 is an apocalyptic number.

It is an amenable number.

666200632 is a deficient number, since it is larger than the sum of its proper divisors (582925568).

666200632 is a wasteful number, since it uses less digits than its factorization.

666200632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83275085 (or 83275081 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 666200632 is about 25810.8626744632. The cubic root of 666200632 is about 873.3768578947.

The spelling of 666200632 in words is "six hundred sixty-six million, two hundred thousand, six hundred thirty-two".