164944786963 has 16 divisors (see below), whose sum is σ = 189489421440. Its totient is φ = 141998356800.

The previous prime is 164944786933. The next prime is 164944786987. The reversal of 164944786963 is 369687449461.

It is a cyclic number.

It is not a de Polignac number, because 164944786963 - 2⁵ = 164944786931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164944786913) 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, 340231 + ... + 667567.

It is an arithmetic number, because the mean of its divisors is an integer number (11843088840).

Almost surely, 2^164944786963 is an apocalyptic number.

164944786963 is a deficient number, since it is larger than the sum of its proper divisors (24544634477).

164944786963 is a wasteful number, since it uses less digits than its factorization.

164944786963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329778.

The product of its digits is 188116992, while the sum is 67.

The spelling of 164944786963 in words is "one hundred sixty-four billion, nine hundred forty-four million, seven hundred eighty-six thousand, nine hundred sixty-three".