61335161 has 8 divisors (see below), whose sum is σ = 62986560. Its totient is φ = 59704272.

The previous prime is 61335121. The next prime is 61335187. The reversal of 61335161 is 16153316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61335161 - 2¹⁰ = 61334137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61335161.

It is not an unprimeable number, because it can be changed into a prime (61335101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 11123.

It is an arithmetic number, because the mean of its divisors is an integer number (7873320).

Almost surely, 2^61335161 is an apocalyptic number.

It is an amenable number.

61335161 is a deficient number, since it is larger than the sum of its proper divisors (1651399).

61335161 is a wasteful number, since it uses less digits than its factorization.

61335161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255.

The product of its digits is 1620, while the sum is 26.

The square root of 61335161 is about 7831.6767681002. The cubic root of 61335161 is about 394.3693638284.

Adding to 61335161 its reverse (16153316), we get a palindrome (77488477).

The spelling of 61335161 in words is "sixty-one million, three hundred thirty-five thousand, one hundred sixty-one".