61335816 has 32 divisors (see below), whose sum is σ = 154926240. Its totient is φ = 20233728.

The previous prime is 61335811. The next prime is 61335821. The reversal of 61335816 is 61853316.

61335816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61335811) and next prime (61335821).

It is not an unprimeable number, because it can be changed into a prime (61335811) 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, 10846 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (4841445).

Almost surely, 2^61335816 is an apocalyptic number.

It is an amenable number.

61335816 is an abundant number, since it is smaller than the sum of its proper divisors (93590424).

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

61335816 is a wasteful number, since it uses less digits than its factorization.

61335816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26453 (or 26449 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 61335816 is about 7831.7185853426. The cubic root of 61335816 is about 394.3707676507.

The spelling of 61335816 in words is "sixty-one million, three hundred thirty-five thousand, eight hundred sixteen".