610611868 has 12 divisors (see below), whose sum is σ = 1093421560. Its totient is φ = 298205712.

The previous prime is 610611863. The next prime is 610611961. The reversal of 610611868 is 868116016.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610611863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774863 + ... + 1775206.

Almost surely, 2^610611868 is an apocalyptic number.

It is an amenable number.

610611868 is a deficient number, since it is larger than the sum of its proper divisors (482809692).

610611868 is a wasteful number, since it uses less digits than its factorization.

610611868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550116 (or 3550114 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 610611868 is about 24710.5618713942. The cubic root of 610611868 is about 848.3760773306.

The spelling of 610611868 in words is "six hundred ten million, six hundred eleven thousand, eight hundred sixty-eight".