61616167 has 2 divisors, whose sum is σ = 61616168. Its totient is φ = 61616166.

The previous prime is 61616141. The next prime is 61616173. The reversal of 61616167 is 76161616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61616167 - 2¹⁵ = 61583399 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61616567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808083 + 30808084.

It is an arithmetic number, because the mean of its divisors is an integer number (30808084).

Almost surely, 2^61616167 is an apocalyptic number.

61616167 is a deficient number, since it is larger than the sum of its proper divisors (1).

61616167 is an equidigital number, since it uses as much as digits as its factorization.

61616167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 61616167 is about 7849.5966138395. The cubic root of 61616167 is about 394.9707119234.

The spelling of 61616167 in words is "sixty-one million, six hundred sixteen thousand, one hundred sixty-seven".