164856453226 has 8 divisors (see below), whose sum is σ = 250975496160. Its totient is φ = 81197954508.

The previous prime is 164856453221. The next prime is 164856453253. The reversal of 164856453226 is 622354658461.

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

It is not an unprimeable number, because it can be changed into a prime (164856453221) 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, 615135886 + ... + 615136153.

It is an arithmetic number, because the mean of its divisors is an integer number (31371937020).

Almost surely, 2^164856453226 is an apocalyptic number.

164856453226 is a deficient number, since it is larger than the sum of its proper divisors (86119042934).

164856453226 is a wasteful number, since it uses less digits than its factorization.

164856453226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230272108.

The product of its digits is 8294400, while the sum is 52.

The spelling of 164856453226 in words is "one hundred sixty-four billion, eight hundred fifty-six million, four hundred fifty-three thousand, two hundred twenty-six".