612060163640 has 64 divisors (see below), whose sum is σ = 1386064612800. Its totient is φ = 243238094848.

The previous prime is 612060163579. The next prime is 612060163643. The reversal of 612060163640 is 46361060216.

It is a self number, because there is not a number n which added to its sum of digits gives 612060163640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612060163643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14200202 + ... + 14243238.

It is an arithmetic number, because the mean of its divisors is an integer number (21657259575).

Almost surely, 2^612060163640 is an apocalyptic number.

It is an amenable number.

612060163640 is an abundant number, since it is smaller than the sum of its proper divisors (774004449160).

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

612060163640 is a wasteful number, since it uses less digits than its factorization.

612060163640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45344 (or 45340 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 612060163640 in words is "six hundred twelve billion, sixty million, one hundred sixty-three thousand, six hundred forty".