611642717376 has 56 divisors (see below), whose sum is σ = 1618619795520. Its totient is φ = 203841207552.

The previous prime is 611642717351. The next prime is 611642717377. The reversal of 611642717376 is 673717246116.

It is not an unprimeable number, because it can be changed into a prime (611642717377) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 686815 + ... + 1301921.

It is an arithmetic number, because the mean of its divisors is an integer number (28903924920).

Almost surely, 2^611642717376 is an apocalyptic number.

It is an amenable number.

611642717376 is an abundant number, since it is smaller than the sum of its proper divisors (1006977078144).

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

611642717376 is a wasteful number, since it uses less digits than its factorization.

611642717376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620301 (or 620291 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The spelling of 611642717376 in words is "six hundred eleven billion, six hundred forty-two million, seven hundred seventeen thousand, three hundred seventy-six".