612564217696 has 48 divisors (see below), whose sum is σ = 1269583761600. Its totient is φ = 290133422208.

The previous prime is 612564217663. The next prime is 612564217697. The reversal of 612564217696 is 696712465216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612564217697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6937795 + ... + 7025533.

It is an arithmetic number, because the mean of its divisors is an integer number (26449661700).

Almost surely, 2^612564217696 is an apocalyptic number.

It is an amenable number.

612564217696 is an abundant number, since it is smaller than the sum of its proper divisors (657019543904).

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

612564217696 is a wasteful number, since it uses less digits than its factorization.

612564217696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99251 (or 99243 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 612564217696 in words is "six hundred twelve billion, five hundred sixty-four million, two hundred seventeen thousand, six hundred ninety-six".