611245013616 has 100 divisors (see below), whose sum is σ = 1769613561144. Its totient is φ = 203691542400.

The previous prime is 611245013579. The next prime is 611245013651. The reversal of 611245013616 is 616310542116.

611245013616 is a `hidden beast` number, since 6 + 1 + 1 + 24 + 5 + 0 + 13 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4719646 + ... + 4847426.

Almost surely, 2^611245013616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611245013616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884806780572).

611245013616 is an abundant number, since it is smaller than the sum of its proper divisors (1158368547528).

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

611245013616 is a wasteful number, since it uses less digits than its factorization.

611245013616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131492 (or 131477 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 611245013616 in words is "six hundred eleven billion, two hundred forty-five million, thirteen thousand, six hundred sixteen".