6671317953 has 16 divisors (see below), whose sum is σ = 9038339136. Its totient is φ = 4376462400.

The previous prime is 6671317951. The next prime is 6671317987. The reversal of 6671317953 is 3597131766.

6671317953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6671317953 - 2¹ = 6671317951 is a prime.

It is a super-2 number, since 2×6671317953² = 89012966460040220418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6671317951) 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, 18150 + ... + 116927.

It is an arithmetic number, because the mean of its divisors is an integer number (564896196).

Almost surely, 2^6671317953 is an apocalyptic number.

It is an amenable number.

6671317953 is a deficient number, since it is larger than the sum of its proper divisors (2367021183).

6671317953 is a wasteful number, since it uses less digits than its factorization.

6671317953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135344.

The product of its digits is 714420, while the sum is 48.

The square root of 6671317953 is about 81678.1363217844. The cubic root of 6671317953 is about 1882.5096588095.

It can be divided in two parts, 66713 and 17953, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 6671317953 in words is "six billion, six hundred seventy-one million, three hundred seventeen thousand, nine hundred fifty-three".