61018268 has 6 divisors (see below), whose sum is σ = 106781976. Its totient is φ = 30509132.

The previous prime is 61018249. The next prime is 61018271. The reversal of 61018268 is 86281016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627280 + ... + 7627287.

It is an arithmetic number, because the mean of its divisors is an integer number (17796996).

Almost surely, 2^61018268 is an apocalyptic number.

It is an amenable number.

61018268 is a deficient number, since it is larger than the sum of its proper divisors (45763708).

61018268 is a wasteful number, since it uses less digits than its factorization.

61018268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15254571 (or 15254569 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 61018268 is about 7811.4190772228. The cubic root of 61018268 is about 393.6890105250.

The spelling of 61018268 in words is "sixty-one million, eighteen thousand, two hundred sixty-eight".