610143664 has 20 divisors (see below), whose sum is σ = 1273088656. Its totient is φ = 281604672.

The previous prime is 610143661. The next prime is 610143679. The reversal of 610143664 is 466341016.

It is not an unprimeable number, because it can be changed into a prime (610143661) 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, 1466484 + ... + 1466899.

Almost surely, 2^610143664 is an apocalyptic number.

It is an amenable number.

610143664 is an abundant number, since it is smaller than the sum of its proper divisors (662944992).

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

610143664 is a wasteful number, since it uses less digits than its factorization.

610143664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933404 (or 2933398 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 610143664 is about 24701.0862919022. The cubic root of 610143664 is about 848.1591830634.

The spelling of 610143664 in words is "six hundred ten million, one hundred forty-three thousand, six hundred sixty-four".