61018336 has 24 divisors (see below), whose sum is σ = 121655520. Its totient is φ = 30121728.

The previous prime is 61018313. The next prime is 61018337. The reversal of 61018336 is 63381016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61018337) 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, 9541 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (5068980).

Almost surely, 2^61018336 is an apocalyptic number.

It is an amenable number.

61018336 is a deficient number, since it is larger than the sum of its proper divisors (60637184).

61018336 is a wasteful number, since it uses less digits than its factorization.

61018336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226 (or 24218 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 61018336 is about 7811.4234298238. The cubic root of 61018336 is about 393.6891567700.

The spelling of 61018336 in words is "sixty-one million, eighteen thousand, three hundred thirty-six".