164557203 has 16 divisors (see below), whose sum is σ = 229367040. Its totient is φ = 104743584.

The previous prime is 164557201. The next prime is 164557213. The reversal of 164557203 is 302755461.

It is not a de Polignac number, because 164557203 - 2¹ = 164557201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164557201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42513 + ... + 46221.

It is an arithmetic number, because the mean of its divisors is an integer number (14335440).

Almost surely, 2^164557203 is an apocalyptic number.

164557203 is a deficient number, since it is larger than the sum of its proper divisors (64809837).

164557203 is a wasteful number, since it uses less digits than its factorization.

164557203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 164557203 is about 12827.9851496640. The cubic root of 164557203 is about 547.9895781402.

The spelling of 164557203 in words is "one hundred sixty-four million, five hundred fifty-seven thousand, two hundred three".