611341664 has 24 divisors (see below), whose sum is σ = 1231571880. Its totient is φ = 298561536.

The previous prime is 611341649. The next prime is 611341681. The reversal of 611341664 is 466143116.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 611341664.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 220769 + ... + 223520.

It is an arithmetic number, because the mean of its divisors is an integer number (51315495).

Almost surely, 2^611341664 is an apocalyptic number.

It is an amenable number.

611341664 is an abundant number, since it is smaller than the sum of its proper divisors (620230216).

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

611341664 is a wasteful number, since it uses less digits than its factorization.

611341664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444342 (or 444334 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 611341664 is about 24725.3243456987. The cubic root of 611341664 is about 848.7139324125.

The spelling of 611341664 in words is "six hundred eleven million, three hundred forty-one thousand, six hundred sixty-four".