11664512654 has 8 divisors (see below), whose sum is σ = 17502050640. Its totient is φ = 5830495776.

The previous prime is 11664512653. The next prime is 11664512711. The reversal of 11664512654 is 45621546611.

11664512654 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 super-2 number, since 2×11664512654² (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 (11664512653) 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 3 ways as a sum of consecutive naturals, for example, 871979 + ... + 885254.

It is an arithmetic number, because the mean of its divisors is an integer number (2187756330).

Almost surely, 2^11664512654 is an apocalyptic number.

11664512654 is a deficient number, since it is larger than the sum of its proper divisors (5837537986).

11664512654 is a wasteful number, since it uses less digits than its factorization.

11664512654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760554.

The product of its digits is 172800, while the sum is 41.

The spelling of 11664512654 in words is "eleven billion, six hundred sixty-four million, five hundred twelve thousand, six hundred fifty-four".