613355660 has 24 divisors (see below), whose sum is σ = 1322860560. Its totient is φ = 238711104.

The previous prime is 613355657. The next prime is 613355707. The reversal of 613355660 is 66553316.

It is a self number, because there is not a number n which added to its sum of digits gives 613355660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413690 + ... + 415169.

It is an arithmetic number, because the mean of its divisors is an integer number (55119190).

Almost surely, 2^613355660 is an apocalyptic number.

It is an amenable number.

613355660 is an abundant number, since it is smaller than the sum of its proper divisors (709504900).

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

613355660 is a wasteful number, since it uses less digits than its factorization.

613355660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828905 (or 828903 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 613355660 is about 24766.0182508210. The cubic root of 613355660 is about 849.6449081960.

The spelling of 613355660 in words is "six hundred thirteen million, three hundred fifty-five thousand, six hundred sixty".