6532138166 has 16 divisors (see below), whose sum is σ = 9951385248. Its totient is φ = 3215150400.

The previous prime is 6532138159. The next prime is 6532138169. The reversal of 6532138166 is 6618312356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6532138169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59066 + ... + 128658.

It is an arithmetic number, because the mean of its divisors is an integer number (621961578).

Almost surely, 2^6532138166 is an apocalyptic number.

6532138166 is a deficient number, since it is larger than the sum of its proper divisors (3419247082).

6532138166 is a wasteful number, since it uses less digits than its factorization.

6532138166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70327.

The product of its digits is 155520, while the sum is 41.

The square root of 6532138166 is about 80821.6441678836. The cubic root of 6532138166 is about 1869.3263195243.

The spelling of 6532138166 in words is "six billion, five hundred thirty-two million, one hundred thirty-eight thousand, one hundred sixty-six".