6681100167 has 18 divisors (see below), whose sum is σ = 11226067008. Its totient is φ = 3817771272.

The previous prime is 6681100157. The next prime is 6681100199. The reversal of 6681100167 is 7610011866.

It is not a de Polignac number, because 6681100167 - 2¹⁵ = 6681067399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681100157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7574503 + ... + 7575384.

Almost surely, 2^6681100167 is an apocalyptic number.

6681100167 is a deficient number, since it is larger than the sum of its proper divisors (4544966841).

6681100167 is a wasteful number, since it uses less digits than its factorization.

6681100167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149907 (or 15149897 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 6681100167 is about 81737.9970821404. The cubic root of 6681100167 is about 1883.4293231120.

The spelling of 6681100167 in words is "six billion, six hundred eighty-one million, one hundred thousand, one hundred sixty-seven".