163515706141 has 8 divisors (see below), whose sum is σ = 164971772120. Its totient is φ = 162064888128.

The previous prime is 163515706139. The next prime is 163515706153. The reversal of 163515706141 is 141607515361.

It can be written as a sum of positive squares in 4 ways, for example, as 60846088900 + 102669617241 = 246670^2 + 320421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163515706141 - 2¹ = 163515706139 is a prime.

It is a super-2 number, since 2×163515706141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163515706094 and 163515706103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163515706171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249386 + ... + 1374043.

It is an arithmetic number, because the mean of its divisors is an integer number (20621471515).

Almost surely, 2^163515706141 is an apocalyptic number.

It is an amenable number.

163515706141 is a deficient number, since it is larger than the sum of its proper divisors (1456065979).

163515706141 is a wasteful number, since it uses less digits than its factorization.

163515706141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623983.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 163515706141 in words is "one hundred sixty-three billion, five hundred fifteen million, seven hundred six thousand, one hundred forty-one".