610492668 has 12 divisors (see below), whose sum is σ = 1424482920. Its totient is φ = 203497552.

The previous prime is 610492651. The next prime is 610492669. The reversal of 610492668 is 866294016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610492669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25437183 + ... + 25437206.

It is an arithmetic number, because the mean of its divisors is an integer number (118706910).

Almost surely, 2^610492668 is an apocalyptic number.

It is an amenable number.

610492668 is an abundant number, since it is smaller than the sum of its proper divisors (813990252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610492668 is a wasteful number, since it uses less digits than its factorization.

610492668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50874396 (or 50874394 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 610492668 is about 24708.1498295603. The cubic root of 610492668 is about 848.3208687686.

The spelling of 610492668 in words is "six hundred ten million, four hundred ninety-two thousand, six hundred sixty-eight".