163204853715 has 48 divisors (see below), whose sum is σ = 295446528000. Its totient is φ = 83185185600.

The previous prime is 163204853663. The next prime is 163204853743. The reversal of 163204853715 is 517358402361.

It is a happy number.

163204853715 is a `hidden beast` number, since 1 + 63 + 2 + 0 + 48 + 537 + 15 = 666.

It is not a de Polignac number, because 163204853715 - 2²⁰ = 163203805139 is a prime.

It is a super-2 number, since 2×163204853715² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1122786 + ... + 1259784.

It is an arithmetic number, because the mean of its divisors is an integer number (6155136000).

Almost surely, 2^163204853715 is an apocalyptic number.

163204853715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163204853715 is a deficient number, since it is larger than the sum of its proper divisors (132241674285).

163204853715 is a wasteful number, since it uses less digits than its factorization.

163204853715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138184 (or 138181 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 163204853715 in words is "one hundred sixty-three billion, two hundred four million, eight hundred fifty-three thousand, seven hundred fifteen".