61333168 has 40 divisors (see below), whose sum is σ = 128898000. Its totient is φ = 28103424.

The previous prime is 61333163. The next prime is 61333169. The reversal of 61333168 is 86133316.

It is not an unprimeable number, because it can be changed into a prime (61333163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30003 + ... + 31981.

It is an arithmetic number, because the mean of its divisors is an integer number (3222450).

Almost surely, 2^61333168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61333168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64449000).

61333168 is an abundant number, since it is smaller than the sum of its proper divisors (67564832).

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

61333168 is a wasteful number, since it uses less digits than its factorization.

61333168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2143 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 61333168 is about 7831.5495273924. The cubic root of 61333168 is about 394.3650922890.

The spelling of 61333168 in words is "sixty-one million, three hundred thirty-three thousand, one hundred sixty-eight".