613374666 has 16 divisors (see below), whose sum is σ = 1227066624. Its totient is φ = 204405344.

The previous prime is 613374659. The next prime is 613374667. The reversal of 613374666 is 666473316.

613374666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×613374666² = 752456961781223112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (613374667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17350 + ... + 39086.

It is an arithmetic number, because the mean of its divisors is an integer number (76691664).

Almost surely, 2^613374666 is an apocalyptic number.

613374666 is an abundant number, since it is smaller than the sum of its proper divisors (613691958).

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

613374666 is a wasteful number, since it uses less digits than its factorization.

613374666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445.

The product of its digits is 326592, while the sum is 42.

The square root of 613374666 is about 24766.4019591058. The cubic root of 613374666 is about 849.6536840637.

The spelling of 613374666 in words is "six hundred thirteen million, three hundred seventy-four thousand, six hundred sixty-six".