61416636 has 24 divisors (see below), whose sum is σ = 143566080. Its totient is φ = 20434992.

The previous prime is 61416629. The next prime is 61416637. The reversal of 61416636 is 63661416.

61416636 is nontrivially palindromic in base 14.

61416636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 61416597 and 61416606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61416637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (5981920).

Almost surely, 2^61416636 is an apocalyptic number.

It is an amenable number.

61416636 is an abundant number, since it is smaller than the sum of its proper divisors (82149444).

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

61416636 is a wasteful number, since it uses less digits than its factorization.

61416636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313 (or 9311 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 61416636 is about 7836.8766737776. The cubic root of 61416636 is about 394.5439076877.

The spelling of 61416636 in words is "sixty-one million, four hundred sixteen thousand, six hundred thirty-six".