110400665 has 8 divisors (see below), whose sum is σ = 132555528. Its totient is φ = 88270720.

The previous prime is 110400629. The next prime is 110400679. The reversal of 110400665 is 566004011.

It can be written as a sum of positive squares in 4 ways, for example, as 31315216 + 79085449 = 5596^2 + 8893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-110400665 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110400665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5549 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (16569441).

Almost surely, 2^110400665 is an apocalyptic number.

It is an amenable number.

110400665 is a deficient number, since it is larger than the sum of its proper divisors (22154863).

110400665 is a wasteful number, since it uses less digits than its factorization.

110400665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 110400665 is about 10507.1720743500. The cubic root of 110400665 is about 479.7230245241.

Adding to 110400665 its reverse (566004011), we get a palindrome (676404676).

The spelling of 110400665 in words is "one hundred ten million, four hundred thousand, six hundred sixty-five".