6655495959 has 96 divisors (see below), whose sum is σ = 11881359360. Its totient is φ = 3505420800.

The previous prime is 6655495933. The next prime is 6655495967. The reversal of 6655495959 is 9595945566.

6655495959 is a `hidden beast` number, since 6 + 6 + 55 + 495 + 95 + 9 = 666.

It is not a de Polignac number, because 6655495959 - 2⁷ = 6655495831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6655495896 and 6655495905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655495919) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15808569 + ... + 15808989.

It is an arithmetic number, because the mean of its divisors is an integer number (123764160).

Almost surely, 2^6655495959 is an apocalyptic number.

6655495959 is a deficient number, since it is larger than the sum of its proper divisors (5225863401).

6655495959 is a wasteful number, since it uses less digits than its factorization.

6655495959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its digits is 65610000, while the sum is 63.

The square root of 6655495959 is about 81581.2230785982. The cubic root of 6655495959 is about 1881.0202662421.

The spelling of 6655495959 in words is "six billion, six hundred fifty-five million, four hundred ninety-five thousand, nine hundred fifty-nine".