2655661533 has 16 divisors (see below), whose sum is σ = 4054848000. Its totient is φ = 1514473776.

The previous prime is 2655661523. The next prime is 2655661601. The reversal of 2655661533 is 3351665562.

It is not a de Polignac number, because 2655661533 - 2⁵ = 2655661501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655661523) 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, 116235 + ... + 137192.

It is an arithmetic number, because the mean of its divisors is an integer number (253428000).

Almost surely, 2^2655661533 is an apocalyptic number.

It is an amenable number.

2655661533 is a deficient number, since it is larger than the sum of its proper divisors (1399186467).

2655661533 is a wasteful number, since it uses less digits than its factorization.

2655661533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253936.

The product of its digits is 486000, while the sum is 42.

The square root of 2655661533 is about 51533.1110355274. Note that the first 3 decimals coincide. The cubic root of 2655661533 is about 1384.8122850721.

The spelling of 2655661533 in words is "two billion, six hundred fifty-five million, six hundred sixty-one thousand, five hundred thirty-three".