610641077764 has 12 divisors (see below), whose sum is σ = 1068628752604. Its totient is φ = 305318577024.

The previous prime is 610641077741. The next prime is 610641077833. The reversal of 610641077764 is 467770146016.

It can be written as a sum of positive squares in 2 ways, for example, as 395085159364 + 215555918400 = 628558^2 + 464280^2 .

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, 382504 + ... + 1169440.

Almost surely, 2^610641077764 is an apocalyptic number.

It is an amenable number.

610641077764 is a deficient number, since it is larger than the sum of its proper divisors (457987674840).

610641077764 is a wasteful number, since it uses less digits than its factorization.

610641077764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980934 (or 980932 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 610641077764 in words is "six hundred ten billion, six hundred forty-one million, seventy-seven thousand, seven hundred sixty-four".