610164644 has 6 divisors (see below), whose sum is σ = 1067788134. Its totient is φ = 305082320.

The previous prime is 610164619. The next prime is 610164683. The reversal of 610164644 is 446461016.

It can be written as a sum of positive squares in only one way, i.e., 523860544 + 86304100 = 22888^2 + 9290^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 610164644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76270577 + ... + 76270584.

It is an arithmetic number, because the mean of its divisors is an integer number (177964689).

Almost surely, 2^610164644 is an apocalyptic number.

It is an amenable number.

610164644 is a deficient number, since it is larger than the sum of its proper divisors (457623490).

610164644 is a wasteful number, since it uses less digits than its factorization.

610164644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152541165 (or 152541163 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 610164644 is about 24701.5109659308. The cubic root of 610164644 is about 848.1689043672.

The spelling of 610164644 in words is "six hundred ten million, one hundred sixty-four thousand, six hundred forty-four".