164926866434 has 24 divisors (see below), whose sum is σ = 271990685484. Its totient is φ = 74948614400.

The previous prime is 164926866431. The next prime is 164926866437. The reversal of 164926866434 is 434668629461.

It is an interprime number because it is at equal distance from previous prime (164926866431) and next prime (164926866437).

It can be written as a sum of positive squares in 2 ways, for example, as 143378094409 + 21548772025 = 378653^2 + 146795^2 .

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 11 ways as a sum of consecutive naturals, for example, 945974 + ... + 1106670.

Almost surely, 2^164926866434 is an apocalyptic number.

164926866434 is a deficient number, since it is larger than the sum of its proper divisors (107063819050).

164926866434 is a wasteful number, since it uses less digits than its factorization.

164926866434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164962 (or 164951 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 59.

The spelling of 164926866434 in words is "one hundred sixty-four billion, nine hundred twenty-six million, eight hundred sixty-six thousand, four hundred thirty-four".