610666893 has 12 divisors (see below), whose sum is σ = 888422080. Its totient is φ = 404181576.

The previous prime is 610666883. The next prime is 610666937. The reversal of 610666893 is 398666016.

It is not a de Polignac number, because 610666893 - 2¹⁶ = 610601357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610666883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242821 + ... + 245322.

Almost surely, 2^610666893 is an apocalyptic number.

It is an amenable number.

610666893 is a deficient number, since it is larger than the sum of its proper divisors (277755187).

610666893 is a wasteful number, since it uses less digits than its factorization.

610666893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488288 (or 488285 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 610666893 is about 24711.6752366164. The cubic root of 610666893 is about 848.4015602350.

The spelling of 610666893 in words is "six hundred ten million, six hundred sixty-six thousand, eight hundred ninety-three".