612660060 has 144 divisors (see below), whose sum is σ = 1938527136. Its totient is φ = 156473856.

The previous prime is 612660049. The next prime is 612660067. The reversal of 612660060 is 60066216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612660067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445534 + ... + 446906.

It is an arithmetic number, because the mean of its divisors is an integer number (13461994).

Almost surely, 2^612660060 is an apocalyptic number.

612660060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612660060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969263568).

612660060 is an abundant number, since it is smaller than the sum of its proper divisors (1325867076).

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

612660060 is a wasteful number, since it uses less digits than its factorization.

612660060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 612660060 is about 24751.9708306228. The cubic root of 612660060 is about 849.3235956753.

The spelling of 612660060 in words is "six hundred twelve million, six hundred sixty thousand, sixty".