613617066 has 32 divisors (see below), whose sum is σ = 1364613120. Its totient is φ = 204386112.

The previous prime is 613617001. The next prime is 613617083. The reversal of 613617066 is 660716316.

It is a self number, because there is not a number n which added to its sum of digits gives 613617066.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 86386 + ... + 93218.

It is an arithmetic number, because the mean of its divisors is an integer number (42644160).

Almost surely, 2^613617066 is an apocalyptic number.

613617066 is an abundant number, since it is smaller than the sum of its proper divisors (750996054).

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

613617066 is a wasteful number, since it uses less digits than its factorization.

613617066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507 (or 8501 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 613617066 is about 24771.2952023103. The cubic root of 613617066 is about 849.7655944178.

The spelling of 613617066 in words is "six hundred thirteen million, six hundred seventeen thousand, sixty-six".