6636670773 has 16 divisors (see below), whose sum is σ = 8914304256. Its totient is φ = 4391861760.

The previous prime is 6636670727. The next prime is 6636670829. The reversal of 6636670773 is 3770766366.

It is not a de Polignac number, because 6636670773 - 2¹⁸ = 6636408629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636470773) 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, 211636 + ... + 240962.

It is an arithmetic number, because the mean of its divisors is an integer number (557144016).

Almost surely, 2^6636670773 is an apocalyptic number.

It is an amenable number.

6636670773 is a deficient number, since it is larger than the sum of its proper divisors (2277633483).

6636670773 is a wasteful number, since it uses less digits than its factorization.

6636670773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29884.

The product of its (nonzero) digits is 4000752, while the sum is 51.

The square root of 6636670773 is about 81465.7644228543. The cubic root of 6636670773 is about 1879.2450919791.

The spelling of 6636670773 in words is "six billion, six hundred thirty-six million, six hundred seventy thousand, seven hundred seventy-three".