61166283 has 4 divisors (see below), whose sum is σ = 81555048. Its totient is φ = 40777520.

The previous prime is 61166213. The next prime is 61166297. The reversal of 61166283 is 38266116.

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

It is a cyclic number.

It is not a de Polignac number, because 61166283 - 2¹² = 61162187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61166213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10194378 + ... + 10194383.

It is an arithmetic number, because the mean of its divisors is an integer number (20388762).

Almost surely, 2^61166283 is an apocalyptic number.

61166283 is a deficient number, since it is larger than the sum of its proper divisors (20388765).

61166283 is a wasteful number, since it uses less digits than its factorization.

61166283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20388764.

The product of its digits is 10368, while the sum is 33.

The square root of 61166283 is about 7820.8876094725. The cubic root of 61166283 is about 394.0070837106.

The spelling of 61166283 in words is "sixty-one million, one hundred sixty-six thousand, two hundred eighty-three".