613406166 has 32 divisors (see below), whose sum is σ = 1265846400. Its totient is φ = 198035520.

The previous prime is 613406161. The next prime is 613406177. The reversal of 613406166 is 661604316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613406161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25225 + ... + 43163.

It is an arithmetic number, because the mean of its divisors is an integer number (39557700).

Almost surely, 2^613406166 is an apocalyptic number.

613406166 is an abundant number, since it is smaller than the sum of its proper divisors (652440234).

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

613406166 is a wasteful number, since it uses less digits than its factorization.

613406166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 613406166 is about 24767.0378931353. The cubic root of 613406166 is about 849.6682285362.

The spelling of 613406166 in words is "six hundred thirteen million, four hundred six thousand, one hundred sixty-six".