164450555 has 16 divisors (see below), whose sum is σ = 201528000. Its totient is φ = 128795520.

The previous prime is 164450527. The next prime is 164450569. The reversal of 164450555 is 555054461.

It is not a de Polignac number, because 164450555 - 2¹² = 164446459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51341 + ... + 54449.

It is an arithmetic number, because the mean of its divisors is an integer number (12595500).

Almost surely, 2^164450555 is an apocalyptic number.

164450555 is a deficient number, since it is larger than the sum of its proper divisors (37077445).

164450555 is a wasteful number, since it uses less digits than its factorization.

164450555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 164450555 is about 12823.8276267267. The cubic root of 164450555 is about 547.8711702325.

The spelling of 164450555 in words is "one hundred sixty-four million, four hundred fifty thousand, five hundred fifty-five".