110663661 has 4 divisors (see below), whose sum is σ = 147551552. Its totient is φ = 73775772.

The previous prime is 110663647. The next prime is 110663669. The reversal of 110663661 is 166366011.

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 not a de Polignac number, because 110663661 - 2²² = 106469357 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 (110663669) 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, 18443941 + ... + 18443946.

It is an arithmetic number, because the mean of its divisors is an integer number (36887888).

Almost surely, 2^110663661 is an apocalyptic number.

It is an amenable number.

110663661 is a deficient number, since it is larger than the sum of its proper divisors (36887891).

110663661 is an equidigital number, since it uses as much as digits as its factorization.

110663661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36887890.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 110663661 is about 10519.6797004472. The cubic root of 110663661 is about 480.1036538301.

The spelling of 110663661 in words is "one hundred ten million, six hundred sixty-three thousand, six hundred sixty-one".