535622661 has 24 divisors (see below), whose sum is σ = 887927040. Its totient is φ = 304780896.

The previous prime is 535622653. The next prime is 535622677. The reversal of 535622661 is 166226535.

It is a happy number.

535622661 is a `hidden beast` number, since 535 + 62 + 2 + 6 + 61 = 666.

It is not a de Polignac number, because 535622661 - 2³ = 535622653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535622641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730 + ... + 32843.

It is an arithmetic number, because the mean of its divisors is an integer number (36996960).

Almost surely, 2^535622661 is an apocalyptic number.

It is an amenable number.

535622661 is a deficient number, since it is larger than the sum of its proper divisors (352304379).

535622661 is a wasteful number, since it uses less digits than its factorization.

535622661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35825 (or 35822 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 535622661 is about 23143.5230896249. The cubic root of 535622661 is about 812.1189558752.

The spelling of 535622661 in words is "five hundred thirty-five million, six hundred twenty-two thousand, six hundred sixty-one".