164263434 has 16 divisors (see below), whose sum is σ = 334095840. Its totient is φ = 53826320.

The previous prime is 164263433. The next prime is 164263439. The reversal of 164263434 is 434362461.

It is a junction number, because it is equal to n+sod(n) for n = 164263395 and 164263404.

It is not an unprimeable number, because it can be changed into a prime (164263433) 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 7 ways as a sum of consecutive naturals, for example, 231657 + ... + 232364.

It is an arithmetic number, because the mean of its divisors is an integer number (20880990).

Almost surely, 2^164263434 is an apocalyptic number.

164263434 is an abundant number, since it is smaller than the sum of its proper divisors (169832406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164263434 is a wasteful number, since it uses less digits than its factorization.

164263434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464085.

The product of its digits is 41472, while the sum is 33.

The square root of 164263434 is about 12816.5297175171. The cubic root of 164263434 is about 547.6632919243.

The spelling of 164263434 in words is "one hundred sixty-four million, two hundred sixty-three thousand, four hundred thirty-four".