16664134201 has 16 divisors (see below), whose sum is σ = 19651927680. Its totient is φ = 13930686720.

The previous prime is 16664134171. The next prime is 16664134211. The reversal of 16664134201 is 10243146661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16664134201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16664134211) 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, 183936 + ... + 259153.

It is an arithmetic number, because the mean of its divisors is an integer number (1228245480).

Almost surely, 2^16664134201 is an apocalyptic number.

16664134201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16664134201 is a deficient number, since it is larger than the sum of its proper divisors (2987793479).

16664134201 is a wasteful number, since it uses less digits than its factorization.

16664134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443376.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 16664134201 in words is "sixteen billion, six hundred sixty-four million, one hundred thirty-four thousand, two hundred one".