6632551161 has 16 divisors (see below), whose sum is σ = 9835084800. Its totient is φ = 4417613424.

The previous prime is 6632551151. The next prime is 6632551171. The reversal of 6632551161 is 1611552366.

6632551161 is a `hidden beast` number, since 6 + 63 + 25 + 511 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (6632551151) and next prime (6632551171).

It is not a de Polignac number, because 6632551161 - 2⁵ = 6632551129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6632551151) 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, 83646 + ... + 142343.

It is an arithmetic number, because the mean of its divisors is an integer number (614692800).

Almost surely, 2^6632551161 is an apocalyptic number.

It is an amenable number.

6632551161 is a deficient number, since it is larger than the sum of its proper divisors (3202533639).

6632551161 is a wasteful number, since it uses less digits than its factorization.

6632551161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227085 (or 227079 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 6632551161 is about 81440.4761835293. The cubic root of 6632551161 is about 1878.8561739352.

The spelling of 6632551161 in words is "six billion, six hundred thirty-two million, five hundred fifty-one thousand, one hundred sixty-one".