164245020255015 has 32 divisors (see below), whose sum is σ = 303429975582720. Its totient is φ = 74309381766144.

The previous prime is 164245020254981. The next prime is 164245020255047. The reversal of 164245020255015 is 510552020542461.

It is not a de Polignac number, because 164245020255015 - 2¹⁰ = 164245020253991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8063073775 + ... + 8063094144.

It is an arithmetic number, because the mean of its divisors is an integer number (9482186736960).

Almost surely, 2^{164245020255015} is an apocalyptic number.

164245020255015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164245020255015 is a deficient number, since it is larger than the sum of its proper divisors (139184955327705).

164245020255015 is a wasteful number, since it uses less digits than its factorization.

164245020255015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16126168031.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 164245020255015 its reverse (510552020542461), we get a palindrome (674797040797476).

The spelling of 164245020255015 in words is "one hundred sixty-four trillion, two hundred forty-five billion, twenty million, two hundred fifty-five thousand, fifteen".