16066172067 has 32 divisors (see below), whose sum is σ = 23548838400. Its totient is φ = 9662400000.

The previous prime is 16066172039. The next prime is 16066172069. The reversal of 16066172067 is 76027166061.

It is not a de Polignac number, because 16066172067 - 2⁷ = 16066171939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16066172069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2630317 + ... + 2636417.

It is an arithmetic number, because the mean of its divisors is an integer number (735901200).

Almost surely, 2^16066172067 is an apocalyptic number.

16066172067 is a deficient number, since it is larger than the sum of its proper divisors (7482666333).

16066172067 is a wasteful number, since it uses less digits than its factorization.

16066172067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 16066172067 in words is "sixteen billion, sixty-six million, one hundred seventy-two thousand, sixty-seven".