164340426 has 16 divisors (see below), whose sum is σ = 328910400. Its totient is φ = 54741888.

The previous prime is 164340403. The next prime is 164340457. The reversal of 164340426 is 624043461.

164340426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164340426² = 54015551235722952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164340393 and 164340402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (20556900).

Almost surely, 2^164340426 is an apocalyptic number.

164340426 is an abundant number, since it is smaller than the sum of its proper divisors (164569974).

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

164340426 is a wasteful number, since it uses less digits than its factorization.

164340426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19133.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 164340426 is about 12819.5329868135. The cubic root of 164340426 is about 547.7488437419.

Adding to 164340426 its reverse (624043461), we get a palindrome (788383887).

The spelling of 164340426 in words is "one hundred sixty-four million, three hundred forty thousand, four hundred twenty-six".