264171855 has 16 divisors (see below), whose sum is σ = 426555360. Its totient is φ = 139598208.

The previous prime is 264171827. The next prime is 264171871. The reversal of 264171855 is 558171462.

It is not a de Polignac number, because 264171855 - 2⁸ = 264171599 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, 79152 + ... + 82421.

It is an arithmetic number, because the mean of its divisors is an integer number (26659710).

Almost surely, 2^264171855 is an apocalyptic number.

264171855 is a deficient number, since it is larger than the sum of its proper divisors (162383505).

264171855 is a wasteful number, since it uses less digits than its factorization.

264171855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161690.

The product of its digits is 67200, while the sum is 39.

The square root of 264171855 is about 16253.3644209437. The cubic root of 264171855 is about 641.6460355054.

The spelling of 264171855 in words is "two hundred sixty-four million, one hundred seventy-one thousand, eight hundred fifty-five".