61718126 has 16 divisors (see below), whose sum is σ = 98580240. Its totient is φ = 28878720.

The previous prime is 61718123. The next prime is 61718147. The reversal of 61718126 is 62181716.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61718092 and 61718101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61718123) 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, 1016 + ... + 11156.

It is an arithmetic number, because the mean of its divisors is an integer number (6161265).

Almost surely, 2^61718126 is an apocalyptic number.

61718126 is a deficient number, since it is larger than the sum of its proper divisors (36862114).

61718126 is a wasteful number, since it uses less digits than its factorization.

61718126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339.

The product of its digits is 4032, while the sum is 32.

The square root of 61718126 is about 7856.0884669153. The cubic root of 61718126 is about 395.1884503760.

The spelling of 61718126 in words is "sixty-one million, seven hundred eighteen thousand, one hundred twenty-six".