616257057222 has 48 divisors (see below), whose sum is σ = 1363595070240. Its totient is φ = 201099888000.

The previous prime is 616257057211. The next prime is 616257057257. The reversal of 616257057222 is 222750752616.

616257057222 is a `hidden beast` number, since 6 + 1 + 6 + 2 + 5 + 70 + 572 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1742554 + ... + 2066157.

It is an arithmetic number, because the mean of its divisors is an integer number (28408230630).

Almost surely, 2^616257057222 is an apocalyptic number.

616257057222 is an abundant number, since it is smaller than the sum of its proper divisors (747338013018).

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

616257057222 is a wasteful number, since it uses less digits than its factorization.

616257057222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808909 (or 3808906 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 616257057222 in words is "six hundred sixteen billion, two hundred fifty-seven million, fifty-seven thousand, two hundred twenty-two".