6655377601 has 4 divisors (see below), whose sum is σ = 6668609472. Its totient is φ = 6642145732.

The previous prime is 6655377593. The next prime is 6655377629. The reversal of 6655377601 is 1067735566.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6655377601 - 2³ = 6655377593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6655377901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6615181 + ... + 6616186.

It is an arithmetic number, because the mean of its divisors is an integer number (1667152368).

Almost surely, 2^6655377601 is an apocalyptic number.

It is an amenable number.

6655377601 is a deficient number, since it is larger than the sum of its proper divisors (13231871).

6655377601 is a wasteful number, since it uses less digits than its factorization.

6655377601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231870.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 6655377601 is about 81580.4976756087. The cubic root of 6655377601 is about 1881.0091158025.

The spelling of 6655377601 in words is "six billion, six hundred fifty-five million, three hundred seventy-seven thousand, six hundred one".