61350366 has 96 divisors (see below), whose sum is σ = 158844672. Its totient is φ = 15344640.

The previous prime is 61350349. The next prime is 61350371. The reversal of 61350366 is 66305316.

61350366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632430 + ... + 632526.

It is an arithmetic number, because the mean of its divisors is an integer number (1654632).

Almost surely, 2^61350366 is an apocalyptic number.

61350366 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 61350366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79422336).

61350366 is an abundant number, since it is smaller than the sum of its proper divisors (97494306).

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

61350366 is a wasteful number, since it uses less digits than its factorization.

61350366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 61350366 is about 7832.6474451491. The cubic root of 61350366 is about 394.4019492201.

It can be divided in two parts, 61350 and 366, that added together give a palindrome (61716).

The spelling of 61350366 in words is "sixty-one million, three hundred fifty thousand, three hundred sixty-six".