61018368 has 36 divisors (see below), whose sum is σ = 162399888. Its totient is φ = 20339200.

The previous prime is 61018357. The next prime is 61018369. The reversal of 61018368 is 86381016.

It is not an unprimeable number, because it can be changed into a prime (61018369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38958 + ... + 40493.

It is an arithmetic number, because the mean of its divisors is an integer number (4511108).

Almost surely, 2^61018368 is an apocalyptic number.

It is an amenable number.

61018368 is an abundant number, since it is smaller than the sum of its proper divisors (101381520).

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

61018368 is an equidigital number, since it uses as much as digits as its factorization.

61018368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79470 (or 79456 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 61018368 is about 7811.4254781058. The cubic root of 61018368 is about 393.6892255911.

The spelling of 61018368 in words is "sixty-one million, eighteen thousand, three hundred sixty-eight".