11666046652406 has 4 divisors (see below), whose sum is σ = 17499069978612. Its totient is φ = 5833023326202.

The previous prime is 11666046652373. The next prime is 11666046652411. The reversal of 11666046652406 is 60425664066611.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11666046652406² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2916511663100 + ... + 2916511663103.

It is an arithmetic number, because the mean of its divisors is an integer number (4374767494653).

Almost surely, 2^{11666046652406} is an apocalyptic number.

11666046652406 is a deficient number, since it is larger than the sum of its proper divisors (5833023326206).

11666046652406 is an equidigital number, since it uses as much as digits as its factorization.

11666046652406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833023326205.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 11666046652406 in words is "eleven trillion, six hundred sixty-six billion, forty-six million, six hundred fifty-two thousand, four hundred six".