61163316 has 48 divisors (see below), whose sum is σ = 159022080. Its totient is φ = 20329920.

The previous prime is 61163273. The next prime is 61163317. The reversal of 61163316 is 61336116.

It is a happy number.

61163316 is a `hidden beast` number, since 6 + 11 + 633 + 16 = 666.

61163316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 61163316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61163317) 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 15 ways as a sum of consecutive naturals, for example, 55725 + ... + 56811.

It is an arithmetic number, because the mean of its divisors is an integer number (3312960).

Almost surely, 2^61163316 is an apocalyptic number.

It is an amenable number.

61163316 is an abundant number, since it is smaller than the sum of its proper divisors (97858764).

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

61163316 is a wasteful number, since it uses less digits than its factorization.

61163316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1613 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 61163316 is about 7820.6979228199. The cubic root of 61163316 is about 394.0007128918. Note that the first 3 decimals are identical.

The spelling of 61163316 in words is "sixty-one million, one hundred sixty-three thousand, three hundred sixteen".