955166553 has 16 divisors (see below), whose sum is σ = 1543704000. Its totient is φ = 578888640.

The previous prime is 955166551. The next prime is 955166567. The reversal of 955166553 is 355661559.

It is a happy number.

955166553 is a `hidden beast` number, since 95 + 5 + 1 + 6 + 6 + 553 = 666.

It is not a de Polignac number, because 955166553 - 2¹ = 955166551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 955166499 and 955166508.

It is not an unprimeable number, because it can be changed into a prime (955166551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607728 + ... + 1608321.

It is an arithmetic number, because the mean of its divisors is an integer number (96481500).

Almost surely, 2^955166553 is an apocalyptic number.

It is an amenable number.

955166553 is a deficient number, since it is larger than the sum of its proper divisors (588537447).

955166553 is a wasteful number, since it uses less digits than its factorization.

955166553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216069 (or 3216063 counting only the distinct ones).

The product of its digits is 607500, while the sum is 45.

The square root of 955166553 is about 30905.7689274996. The cubic root of 955166553 is about 984.8264454111.

The spelling of 955166553 in words is "nine hundred fifty-five million, one hundred sixty-six thousand, five hundred fifty-three".