612648105888 has 192 divisors, whose sum is σ = 2083500195840. Its totient is φ = 153073400832.

The previous prime is 612648105877. The next prime is 612648105899. The reversal of 612648105888 is 888501846216.

It is an interprime number because it is at equal distance from previous prime (612648105877) and next prime (612648105899).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679520 + ... + 2011487.

It is an arithmetic number, because the mean of its divisors is an integer number (10851563520).

Almost surely, 2^612648105888 is an apocalyptic number.

It is an amenable number.

612648105888 is an abundant number, since it is smaller than the sum of its proper divisors (1470852089952).

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

612648105888 is a wasteful number, since it uses less digits than its factorization.

612648105888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691059 (or 3691051 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 57.

The spelling of 612648105888 in words is "six hundred twelve billion, six hundred forty-eight million, one hundred five thousand, eight hundred eighty-eight".