612775577216 has 32 divisors (see below), whose sum is σ = 1331742379680. Its totient is φ = 278534352640.

The previous prime is 612775577209. The next prime is 612775577231.

612775577216 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (32).

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, 217603556 + ... + 217606371.

It is an arithmetic number, because the mean of its divisors is an integer number (41616949365).

Almost surely, 2^612775577216 is an apocalyptic number.

It is an amenable number.

612775577216 is an abundant number, since it is smaller than the sum of its proper divisors (718966802464).

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

612775577216 is a wasteful number, since it uses less digits than its factorization.

612775577216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435209952 (or 435209940 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 56.

The spelling of 612775577216 in words is "six hundred twelve billion, seven hundred seventy-five million, five hundred seventy-seven thousand, two hundred sixteen".