61161167 has 4 divisors (see below), whose sum is σ = 61499256. Its totient is φ = 60823080.

The previous prime is 61161161. The next prime is 61161173. The reversal of 61161167 is 76116116.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61161161) and next prime (61161173).

It is a cyclic number.

It is not a de Polignac number, because 61161167 - 2¹⁶ = 61095631 is a prime.

It is a super-3 number, since 3×61161167³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61161161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168773 + ... + 169134.

It is an arithmetic number, because the mean of its divisors is an integer number (15374814).

Almost surely, 2^61161167 is an apocalyptic number.

61161167 is a deficient number, since it is larger than the sum of its proper divisors (338089).

61161167 is a wasteful number, since it uses less digits than its factorization.

61161167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338088.

The product of its digits is 1512, while the sum is 29.

The square root of 61161167 is about 7820.5605297830. The cubic root of 61161167 is about 393.9960983750.

The spelling of 61161167 in words is "sixty-one million, one hundred sixty-one thousand, one hundred sixty-seven".