6601690055 has 8 divisors (see below), whose sum is σ = 7922467392. Its totient is φ = 5281059168.

The previous prime is 6601690037. The next prime is 6601690061. The reversal of 6601690055 is 5500961066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6601690055 - 2⁸ = 6601689799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140177 + ... + 181253.

It is an arithmetic number, because the mean of its divisors is an integer number (990308424).

Almost surely, 2^6601690055 is an apocalyptic number.

6601690055 is a deficient number, since it is larger than the sum of its proper divisors (1320777337).

6601690055 is a wasteful number, since it uses less digits than its factorization.

6601690055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73225.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 6601690055 is about 81250.7849500545. The cubic root of 6601690055 is about 1875.9375511503.

The spelling of 6601690055 in words is "six billion, six hundred one million, six hundred ninety thousand, fifty-five".