655165101 has 24 divisors (see below), whose sum is σ = 901716640. Its totient is φ = 423094752.

The previous prime is 655165079. The next prime is 655165111. The reversal of 655165101 is 101561556.

It is not a de Polignac number, because 655165101 - 2⁶ = 655165037 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 (655165111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721890 + ... + 722796.

Almost surely, 2^655165101 is an apocalyptic number.

It is an amenable number.

655165101 is a deficient number, since it is larger than the sum of its proper divisors (246551539).

655165101 is a wasteful number, since it uses less digits than its factorization.

655165101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 655165101 is about 25596.1930958492. The cubic root of 655165101 is about 868.5275224452.

The spelling of 655165101 in words is "six hundred fifty-five million, one hundred sixty-five thousand, one hundred one".