20164554411 has 16 divisors (see below), whose sum is σ = 28059277824. Its totient is φ = 12856610624.

The previous prime is 20164554383. The next prime is 20164554451. The reversal of 20164554411 is 11445546102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20164554411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20164554451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539935 + ... + 576071.

It is an arithmetic number, because the mean of its divisors is an integer number (1753704864).

Almost surely, 2^20164554411 is an apocalyptic number.

20164554411 is a deficient number, since it is larger than the sum of its proper divisors (7894723413).

20164554411 is a wasteful number, since it uses less digits than its factorization.

20164554411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44250.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 20164554411 in words is "twenty billion, one hundred sixty-four million, five hundred fifty-four thousand, four hundred eleven".