655166253 has 16 divisors (see below), whose sum is σ = 998912000. Its totient is φ = 374169456.

The previous prime is 655166251. The next prime is 655166273. The reversal of 655166253 is 352661556.

It is not a de Polignac number, because 655166253 - 2¹ = 655166251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655166251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34176 + ... + 49782.

It is an arithmetic number, because the mean of its divisors is an integer number (62432000).

Almost surely, 2^655166253 is an apocalyptic number.

It is an amenable number.

655166253 is a deficient number, since it is larger than the sum of its proper divisors (343745747).

655166253 is a wasteful number, since it uses less digits than its factorization.

655166253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17616.

The product of its digits is 162000, while the sum is 39.

The square root of 655166253 is about 25596.2155991858. The cubic root of 655166253 is about 868.5280314991.

The spelling of 655166253 in words is "six hundred fifty-five million, one hundred sixty-six thousand, two hundred fifty-three".