612666352 has 40 divisors (see below), whose sum is σ = 1200704400. Its totient is φ = 302830080.

The previous prime is 612666347. The next prime is 612666367. The reversal of 612666352 is 253666216.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 583524 + ... + 584572.

It is an arithmetic number, because the mean of its divisors is an integer number (30017610).

Almost surely, 2^612666352 is an apocalyptic number.

It is an amenable number.

612666352 is a deficient number, since it is larger than the sum of its proper divisors (588038048).

612666352 is a wasteful number, since it uses less digits than its factorization.

612666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1435 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 612666352 is about 24752.0979312866. The cubic root of 612666352 is about 849.3265031745.

The spelling of 612666352 in words is "six hundred twelve million, six hundred sixty-six thousand, three hundred fifty-two".