164074855215 has 16 divisors (see below), whose sum is σ = 270988148736. Its totient is φ = 84683796000.

The previous prime is 164074855193. The next prime is 164074855267. The reversal of 164074855215 is 512558470461.

It is a happy number.

It is not a de Polignac number, because 164074855215 - 2¹⁰ = 164074854191 is a prime.

It is a super-2 number, since 2×164074855215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176424111 + ... + 176425040.

It is an arithmetic number, because the mean of its divisors is an integer number (16936759296).

Almost surely, 2^164074855215 is an apocalyptic number.

164074855215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164074855215 is a deficient number, since it is larger than the sum of its proper divisors (106913293521).

164074855215 is a wasteful number, since it uses less digits than its factorization.

164074855215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352849190.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 164074855215 in words is "one hundred sixty-four billion, seventy-four million, eight hundred fifty-five thousand, two hundred fifteen".