655866354 has 96 divisors (see below), whose sum is σ = 1565097984. Its totient is φ = 181621440.

The previous prime is 655866347. The next prime is 655866359. The reversal of 655866354 is 453668556.

It is not an unprimeable number, because it can be changed into a prime (655866359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1416327 + ... + 1416789.

It is an arithmetic number, because the mean of its divisors is an integer number (16303104).

Almost surely, 2^655866354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655866354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782548992).

655866354 is an abundant number, since it is smaller than the sum of its proper divisors (909231630).

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

655866354 is a wasteful number, since it uses less digits than its factorization.

655866354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 619 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The square root of 655866354 is about 25609.8878170132. The cubic root of 655866354 is about 868.8372867872.

The spelling of 655866354 in words is "six hundred fifty-five million, eight hundred sixty-six thousand, three hundred fifty-four".