11664230421 has 8 divisors (see below), whose sum is σ = 15555571200. Its totient is φ = 7774521632.

The previous prime is 11664230363. The next prime is 11664230423. The reversal of 11664230421 is 12403246611.

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

It is a cyclic number.

It is not a de Polignac number, because 11664230421 - 2²¹ = 11662133269 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 (11664230423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391221 + ... + 419978.

It is an arithmetic number, because the mean of its divisors is an integer number (1944446400).

Almost surely, 2^11664230421 is an apocalyptic number.

It is an amenable number.

11664230421 is a deficient number, since it is larger than the sum of its proper divisors (3891340779).

11664230421 is an equidigital number, since it uses as much as digits as its factorization.

11664230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815995.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 11664230421 in words is "eleven billion, six hundred sixty-four million, two hundred thirty thousand, four hundred twenty-one".