66051167 has 16 divisors (see below), whose sum is σ = 82958400. Its totient is φ = 52256736.

The previous prime is 66051143. The next prime is 66051191. The reversal of 66051167 is 76115066.

It is an interprime number because it is at equal distance from previous prime (66051143) and next prime (66051191).

It is a de Polignac number, because none of the positive numbers 2^k-66051167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66051127) 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, 2948 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (5184900).

Almost surely, 2^66051167 is an apocalyptic number.

66051167 is a deficient number, since it is larger than the sum of its proper divisors (16907233).

66051167 is a wasteful number, since it uses less digits than its factorization.

66051167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14847 (or 14833 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 66051167 is about 8127.1869056888. The cubic root of 66051167 is about 404.2284084843.

The spelling of 66051167 in words is "sixty-six million, fifty-one thousand, one hundred sixty-seven".