610898660 has 12 divisors (see below), whose sum is σ = 1282887228. Its totient is φ = 244359456.

The previous prime is 610898633. The next prime is 610898663. The reversal of 610898660 is 66898016.

It can be written as a sum of positive squares in 2 ways, for example, as 164506276 + 446392384 = 12826^2 + 21128^2 .

It is not an unprimeable number, because it can be changed into a prime (610898663) 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, 15272447 + ... + 15272486.

It is an arithmetic number, because the mean of its divisors is an integer number (106907269).

Almost surely, 2^610898660 is an apocalyptic number.

It is an amenable number.

610898660 is an abundant number, since it is smaller than the sum of its proper divisors (671988568).

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

610898660 is a wasteful number, since it uses less digits than its factorization.

610898660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30544942 (or 30544940 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 610898660 is about 24716.3642148274. The cubic root of 610898660 is about 848.5088782158.

The spelling of 610898660 in words is "six hundred ten million, eight hundred ninety-eight thousand, six hundred sixty".