11661453 has 6 divisors (see below), whose sum is σ = 16844334. Its totient is φ = 7774296.

The previous prime is 11661449. The next prime is 11661467. The reversal of 11661453 is 35416611.

11661453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9847044 + 1814409 = 3138^2 + 1347^2 .

It is not a de Polignac number, because 11661453 - 2² = 11661449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647850 + ... + 647867.

It is an arithmetic number, because the mean of its divisors is an integer number (2807389).

Almost surely, 2^11661453 is an apocalyptic number.

It is an amenable number.

11661453 is a deficient number, since it is larger than the sum of its proper divisors (5182881).

11661453 is a wasteful number, since it uses less digits than its factorization.

11661453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295723 (or 1295720 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 11661453 is about 3414.8869673827. The cubic root of 11661453 is about 226.7692804805.

The spelling of 11661453 in words is "eleven million, six hundred sixty-one thousand, four hundred fifty-three".