111966493 has 4 divisors (see below), whose sum is σ = 112653568. Its totient is φ = 111279420.

The previous prime is 111966467. The next prime is 111966509. The reversal of 111966493 is 394669111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111966493 - 2⁹ = 111965981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111966433) 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, 343293 + ... + 343618.

It is an arithmetic number, because the mean of its divisors is an integer number (28163392).

Almost surely, 2^111966493 is an apocalyptic number.

It is an amenable number.

111966493 is a deficient number, since it is larger than the sum of its proper divisors (687075).

111966493 is an equidigital number, since it uses as much as digits as its factorization.

111966493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687074.

The product of its digits is 34992, while the sum is 40.

The square root of 111966493 is about 10581.4220688904. The cubic root of 111966493 is about 481.9803786139.

It can be divided in two parts, 11196 and 6493, that added together give a square (17689 = 133²).

The spelling of 111966493 in words is "one hundred eleven million, nine hundred sixty-six thousand, four hundred ninety-three".