164263485 has 16 divisors (see below), whose sum is σ = 263338560. Its totient is φ = 87434880.

The previous prime is 164263457. The next prime is 164263523. The reversal of 164263485 is 584362461.

It is not a de Polignac number, because 164263485 - 2¹⁴ = 164247101 is a prime.

It is a congruent number.

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, 2695 + ... + 18324.

It is an arithmetic number, because the mean of its divisors is an integer number (16458660).

Almost surely, 2^164263485 is an apocalyptic number.

164263485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164263485 is a deficient number, since it is larger than the sum of its proper divisors (99075075).

164263485 is a wasteful number, since it uses less digits than its factorization.

164263485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its digits is 138240, while the sum is 39.

The square root of 164263485 is about 12816.5317071351. The cubic root of 164263485 is about 547.6633486032.

The spelling of 164263485 in words is "one hundred sixty-four million, two hundred sixty-three thousand, four hundred eighty-five".