655451716 has 12 divisors (see below), whose sum is σ = 1147265532. Its totient is φ = 327661568.

The previous prime is 655451701. The next prime is 655451717. The reversal of 655451716 is 617154556.

It can be written as a sum of positive squares in 2 ways, for example, as 155750400 + 499701316 = 12480^2 + 22354^2 .

It is not an unprimeable number, because it can be changed into a prime (655451717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12516 + ... + 38308.

It is an arithmetic number, because the mean of its divisors is an integer number (95605461).

Almost surely, 2^655451716 is an apocalyptic number.

It is an amenable number.

655451716 is a deficient number, since it is larger than the sum of its proper divisors (491813816).

655451716 is a wasteful number, since it uses less digits than its factorization.

655451716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150 (or 32148 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 655451716 is about 25601.7912654564. The cubic root of 655451716 is about 868.6541555255.

The spelling of 655451716 in words is "six hundred fifty-five million, four hundred fifty-one thousand, seven hundred sixteen".