11664332542 has 8 divisors (see below), whose sum is σ = 17499031056. Its totient is φ = 5831322192.

The previous prime is 11664332531. The next prime is 11664332549. The reversal of 11664332542 is 24523346611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664332549) 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, 404623 + ... + 432490.

It is an arithmetic number, because the mean of its divisors is an integer number (2187378882).

Almost surely, 2^11664332542 is an apocalyptic number.

11664332542 is a deficient number, since it is larger than the sum of its proper divisors (5834698514).

11664332542 is an equidigital number, since it uses as much as digits as its factorization.

11664332542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844082.

The product of its digits is 103680, while the sum is 37.

The spelling of 11664332542 in words is "eleven billion, six hundred sixty-four million, three hundred thirty-two thousand, five hundred forty-two".