164428834 has 8 divisors (see below), whose sum is σ = 246943260. Its totient is φ = 82114416.

The previous prime is 164428813. The next prime is 164428837. The reversal of 164428834 is 438824461.

It is a happy number.

164428834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 158835609 + 5593225 = 12603^2 + 2365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×164428834³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164428837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47929 + ... + 51244.

Almost surely, 2^164428834 is an apocalyptic number.

164428834 is a deficient number, since it is larger than the sum of its proper divisors (82514426).

164428834 is an equidigital number, since it uses as much as digits as its factorization.

164428834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100004.

The product of its digits is 147456, while the sum is 40.

The square root of 164428834 is about 12822.9806987299. The cubic root of 164428834 is about 547.8470478174.

The spelling of 164428834 in words is "one hundred sixty-four million, four hundred twenty-eight thousand, eight hundred thirty-four".