61584167 has 2 divisors, whose sum is σ = 61584168. Its totient is φ = 61584166.

The previous prime is 61584163. The next prime is 61584199. The reversal of 61584167 is 76148516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61584167 - 2² = 61584163 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61584167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61584161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30792083 + 30792084.

It is an arithmetic number, because the mean of its divisors is an integer number (30792084).

Almost surely, 2^61584167 is an apocalyptic number.

61584167 is a deficient number, since it is larger than the sum of its proper divisors (1).

61584167 is an equidigital number, since it uses as much as digits as its factorization.

61584167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 61584167 is about 7847.5580278199. The cubic root of 61584167 is about 394.9023248315.

The spelling of 61584167 in words is "sixty-one million, five hundred eighty-four thousand, one hundred sixty-seven".