55166160011 has 4 divisors (see below), whose sum is σ = 55563039000. Its totient is φ = 54769281024.

The previous prime is 55166159987. The next prime is 55166160013. The reversal of 55166160011 is 11006166155.

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

It is a cyclic number.

It is not a de Polignac number, because 55166160011 - 2⁶ = 55166159947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55166160011.

It is not an unprimeable number, because it can be changed into a prime (55166160013) 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, 198439286 + ... + 198439563.

It is an arithmetic number, because the mean of its divisors is an integer number (13890759750).

Almost surely, 2^55166160011 is an apocalyptic number.

55166160011 is a deficient number, since it is larger than the sum of its proper divisors (396878989).

55166160011 is a wasteful number, since it uses less digits than its factorization.

55166160011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396878988.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 55166160011 in words is "fifty-five billion, one hundred sixty-six million, one hundred sixty thousand, eleven".