164926866433 has 24 divisors (see below), whose sum is σ = 193015125504. Its totient is φ = 140512579200.

The previous prime is 164926866431. The next prime is 164926866437. The reversal of 164926866433 is 334668629461.

It is not a de Polignac number, because 164926866433 - 2¹ = 164926866431 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164926866431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5708841 + ... + 5737657.

It is an arithmetic number, because the mean of its divisors is an integer number (8042296896).

Almost surely, 2^164926866433 is an apocalyptic number.

It is an amenable number.

164926866433 is a deficient number, since it is larger than the sum of its proper divisors (28088259071).

164926866433 is a wasteful number, since it uses less digits than its factorization.

164926866433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29533 (or 29526 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 58.

The spelling of 164926866433 in words is "one hundred sixty-four billion, nine hundred twenty-six million, eight hundred sixty-six thousand, four hundred thirty-three".