610481668 has 24 divisors (see below), whose sum is σ = 1107590400. Its totient is φ = 294073248.

The previous prime is 610481659. The next prime is 610481671. The reversal of 610481668 is 866184016.

It is a self number, because there is not a number n which added to its sum of digits gives 610481668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50071 + ... + 61057.

It is an arithmetic number, because the mean of its divisors is an integer number (46149600).

Almost surely, 2^610481668 is an apocalyptic number.

It is an amenable number.

610481668 is a deficient number, since it is larger than the sum of its proper divisors (497108732).

610481668 is a wasteful number, since it uses less digits than its factorization.

610481668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499 (or 11497 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 610481668 is about 24707.9272299398. The cubic root of 610481668 is about 848.3157736566.

The spelling of 610481668 in words is "six hundred ten million, four hundred eighty-one thousand, six hundred sixty-eight".