11661164003546 has 16 divisors (see below), whose sum is σ = 18571137307776. Its totient is φ = 5472653977536.

The previous prime is 11661164003519. The next prime is 11661164003551. The reversal of 11661164003546 is 64530046116611.

It is a junction number, because it is equal to n+sod(n) for n = 11661164003497 and 11661164003506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467256476 + ... + 467281431.

It is an arithmetic number, because the mean of its divisors is an integer number (1160696081736).

Almost surely, 2^{11661164003546} is an apocalyptic number.

11661164003546 is a deficient number, since it is larger than the sum of its proper divisors (6909973304230).

11661164003546 is a wasteful number, since it uses less digits than its factorization.

11661164003546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934538293.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 11661164003546 in words is "eleven trillion, six hundred sixty-one billion, one hundred sixty-four million, three thousand, five hundred forty-six".