110066661 has 24 divisors (see below), whose sum is σ = 170556480. Its totient is φ = 70020720.

The previous prime is 110066657. The next prime is 110066681. The reversal of 110066661 is 166660011.

It is not a de Polignac number, because 110066661 - 2² = 110066657 is a prime.

It is a super-2 number, since 2×110066661² = 24229339727377842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110066641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261231 + ... + 261651.

It is an arithmetic number, because the mean of its divisors is an integer number (7106520).

Almost surely, 2^110066661 is an apocalyptic number.

It is an amenable number.

110066661 is a deficient number, since it is larger than the sum of its proper divisors (60489819).

110066661 is an frugal number, since it uses more digits than its factorization.

110066661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 110066661 is about 10491.2659388655. The cubic root of 110066661 is about 479.2387542944.

The spelling of 110066661 in words is "one hundred ten million, sixty-six thousand, six hundred sixty-one".