163928150415 has 24 divisors (see below), whose sum is σ = 285614381520. Its totient is φ = 86975345664.

The previous prime is 163928150413. The next prime is 163928150489. The reversal of 163928150415 is 514051829361.

It is a happy number.

163928150415 is a `hidden beast` number, since 1 + 63 + 9 + 2 + 81 + 504 + 1 + 5 = 666.

It is not a de Polignac number, because 163928150415 - 2¹ = 163928150413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163928150413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9428745 + ... + 9446114.

It is an arithmetic number, because the mean of its divisors is an integer number (11900599230).

Almost surely, 2^163928150415 is an apocalyptic number.

163928150415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163928150415 is a deficient number, since it is larger than the sum of its proper divisors (121686231105).

163928150415 is a wasteful number, since it uses less digits than its factorization.

163928150415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18875063 (or 18875060 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

Adding to 163928150415 its reverse (514051829361), we get a palindrome (677979979776).

The spelling of 163928150415 in words is "one hundred sixty-three billion, nine hundred twenty-eight million, one hundred fifty thousand, four hundred fifteen".