612666204 has 12 divisors (see below), whose sum is σ = 1429554504. Its totient is φ = 204222064.

The previous prime is 612666199. The next prime is 612666221. The reversal of 612666204 is 402666216.

It is a tau number, because it is divible by the number of its divisors (12).

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, 25527747 + ... + 25527770.

It is an arithmetic number, because the mean of its divisors is an integer number (119129542).

Almost surely, 2^612666204 is an apocalyptic number.

It is an amenable number.

612666204 is an abundant number, since it is smaller than the sum of its proper divisors (816888300).

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

612666204 is a wasteful number, since it uses less digits than its factorization.

612666204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51055524 (or 51055522 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 612666204 is about 24752.0949416408. The cubic root of 612666204 is about 849.3264347847.

The spelling of 612666204 in words is "six hundred twelve million, six hundred sixty-six thousand, two hundred four".