612165980 has 12 divisors (see below), whose sum is σ = 1285548600. Its totient is φ = 244866384.

The previous prime is 612165943. The next prime is 612166001. The reversal of 612165980 is 89561216.

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, 15304130 + ... + 15304169.

It is an arithmetic number, because the mean of its divisors is an integer number (107129050).

Almost surely, 2^612165980 is an apocalyptic number.

It is an amenable number.

612165980 is an abundant number, since it is smaller than the sum of its proper divisors (673382620).

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

612165980 is a wasteful number, since it uses less digits than its factorization.

612165980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30608308 (or 30608306 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 612165980 is about 24741.9881982027. The cubic root of 612165980 is about 849.0952217995.

The spelling of 612165980 in words is "six hundred twelve million, one hundred sixty-five thousand, nine hundred eighty".