11666754631 has 8 divisors (see below), whose sum is σ = 13658639904. Its totient is φ = 9756170880.

The previous prime is 11666754581. The next prime is 11666754667. The reversal of 11666754631 is 13645766611.

11666754631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11666754631 - 2⁹ = 11666754119 is a prime.

It is a super-2 number, since 2×11666754631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666754131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20325070 + ... + 20325643.

It is an arithmetic number, because the mean of its divisors is an integer number (1707329988).

Almost surely, 2^11666754631 is an apocalyptic number.

11666754631 is a deficient number, since it is larger than the sum of its proper divisors (1991885273).

11666754631 is an equidigital number, since it uses as much as digits as its factorization.

11666754631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40650761.

The product of its digits is 544320, while the sum is 46.

The spelling of 11666754631 in words is "eleven billion, six hundred sixty-six million, seven hundred fifty-four thousand, six hundred thirty-one".