655603374 has 8 divisors (see below), whose sum is σ = 1311206760. Its totient is φ = 218534456.

The previous prime is 655603373. The next prime is 655603387. The reversal of 655603374 is 473306556.

It is a sphenic number, since it is the product of 3 distinct primes.

655603374 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655603373) 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 3 ways as a sum of consecutive naturals, for example, 54633609 + ... + 54633620.

It is an arithmetic number, because the mean of its divisors is an integer number (163900845).

Almost surely, 2^655603374 is an apocalyptic number.

655603374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655603374 is a wasteful number, since it uses less digits than its factorization.

655603374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109267234.

The product of its (nonzero) digits is 226800, while the sum is 39.

The square root of 655603374 is about 25604.7529572148. The cubic root of 655603374 is about 868.7211465738.

The spelling of 655603374 in words is "six hundred fifty-five million, six hundred three thousand, three hundred seventy-four".