612755557216 has 24 divisors (see below), whose sum is σ = 1316031822504. Its totient is φ = 278525253120.

The previous prime is 612755557199. The next prime is 612755557303.

It is a happy number.

612755557216 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870391065 + ... + 870391768.

It is an arithmetic number, because the mean of its divisors is an integer number (54834659271).

Almost surely, 2^612755557216 is an apocalyptic number.

It is an amenable number.

612755557216 is an abundant number, since it is smaller than the sum of its proper divisors (703276265288).

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

612755557216 is a wasteful number, since it uses less digits than its factorization.

612755557216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740782854 (or 1740782846 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 52.

The spelling of 612755557216 in words is "six hundred twelve billion, seven hundred fifty-five million, five hundred fifty-seven thousand, two hundred sixteen".