61166248 has 64 divisors (see below), whose sum is σ = 136120320. Its totient is φ = 25401600.

The previous prime is 61166213. The next prime is 61166297. The reversal of 61166248 is 84266116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145078 + ... + 145498.

It is an arithmetic number, because the mean of its divisors is an integer number (2126880).

Almost surely, 2^61166248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61166248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68060160).

61166248 is an abundant number, since it is smaller than the sum of its proper divisors (74954072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61166248 is a wasteful number, since it uses less digits than its factorization.

61166248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 574 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 61166248 is about 7820.8853718745. The cubic root of 61166248 is about 394.0070085589.

The spelling of 61166248 in words is "sixty-one million, one hundred sixty-six thousand, two hundred forty-eight".