61166285 has 8 divisors (see below), whose sum is σ = 73724256. Its totient is φ = 48716560.

The previous prime is 61166213. The next prime is 61166297. The reversal of 61166285 is 58266116.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61166285 - 2¹⁶ = 61100749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25811 + ... + 28080.

It is an arithmetic number, because the mean of its divisors is an integer number (9215532).

Almost surely, 2^61166285 is an apocalyptic number.

It is an amenable number.

61166285 is a deficient number, since it is larger than the sum of its proper divisors (12557971).

61166285 is a wasteful number, since it uses less digits than its factorization.

61166285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54123.

The product of its digits is 17280, while the sum is 35.

The square root of 61166285 is about 7820.8877373352. The cubic root of 61166285 is about 394.0070880050.

The spelling of 61166285 in words is "sixty-one million, one hundred sixty-six thousand, two hundred eighty-five".