610653660 has 24 divisors (see below), whose sum is σ = 1709830416. Its totient is φ = 162840960.

The previous prime is 610653649. The next prime is 610653671. The reversal of 610653660 is 66356016.

It is an interprime number because it is at equal distance from previous prime (610653649) and next prime (610653671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088721 + ... + 5088840.

It is an arithmetic number, because the mean of its divisors is an integer number (71242934).

Almost surely, 2^610653660 is an apocalyptic number.

610653660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

610653660 is an abundant number, since it is smaller than the sum of its proper divisors (1099176756).

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

610653660 is a wasteful number, since it uses less digits than its factorization.

610653660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177573 (or 10177571 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 610653660 is about 24711.4074872315. The cubic root of 610653660 is about 848.3954319736.

The spelling of 610653660 in words is "six hundred ten million, six hundred fifty-three thousand, six hundred sixty".