61418 has 16 divisors (see below), whose sum is σ = 108864. Its totient is φ = 25440.

The previous prime is 61417. The next prime is 61441. The reversal of 61418 is 81416.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 61418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61417) 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, 521 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

2⁶¹⁴¹⁸ is an apocalyptic number.

61418 is a deficient number, since it is larger than the sum of its proper divisors (47446).

61418 is a wasteful number, since it uses less digits than its factorization.

61418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its digits is 192, while the sum is 20.

The square root of 61418 is about 247.8265522498. The cubic root of 61418 is about 39.4546828470.

The spelling of 61418 in words is "sixty-one thousand, four hundred eighteen".