19114661 has 4 divisors (see below), whose sum is σ = 19559232. Its totient is φ = 18670092.

The previous prime is 19114649. The next prime is 19114673. The reversal of 19114661 is 16641191.

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 an interprime number because it is at equal distance from previous prime (19114649) and next prime (19114673).

It is a cyclic number.

It is not a de Polignac number, because 19114661 - 2¹⁸ = 18852517 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 (19114061) 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, 222221 + ... + 222306.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 2^19114661 is an apocalyptic number.

It is an amenable number.

19114661 is a deficient number, since it is larger than the sum of its proper divisors (444571).

19114661 is an equidigital number, since it uses as much as digits as its factorization.

19114661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444570.

The product of its digits is 1296, while the sum is 29.

The square root of 19114661 is about 4372.0316787507. The cubic root of 19114661 is about 267.3758634430.

The spelling of 19114661 in words is "nineteen million, one hundred fourteen thousand, six hundred sixty-one".