610666601564 has 12 divisors (see below), whose sum is σ = 1071728637000. Its totient is φ = 304458419568.

The previous prime is 610666601557. The next prime is 610666601581. The reversal of 610666601564 is 465106666016.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 218718734 + ... + 218721525.

It is an arithmetic number, because the mean of its divisors is an integer number (89310719750).

Almost surely, 2^610666601564 is an apocalyptic number.

It is an amenable number.

610666601564 is a deficient number, since it is larger than the sum of its proper divisors (461062035436).

610666601564 is a wasteful number, since it uses less digits than its factorization.

610666601564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437440612 (or 437440610 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 610666601564 in words is "six hundred ten billion, six hundred sixty-six million, six hundred one thousand, five hundred sixty-four".