610685454668 has 24 divisors (see below), whose sum is σ = 1140202136304. Its totient is φ = 285187635200.

The previous prime is 610685454647. The next prime is 610685454713. The reversal of 610685454668 is 866454586016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34268453 + ... + 34286268.

It is an arithmetic number, because the mean of its divisors is an integer number (47508422346).

Almost surely, 2^610685454668 is an apocalyptic number.

610685454668 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

610685454668 is a deficient number, since it is larger than the sum of its proper divisors (529516681636).

610685454668 is a wasteful number, since it uses less digits than its factorization.

610685454668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68554873 (or 68554871 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 59.

The spelling of 610685454668 in words is "six hundred ten billion, six hundred eighty-five million, four hundred fifty-four thousand, six hundred sixty-eight".