163576315145 has 16 divisors (see below), whose sum is σ = 207929505168. Its totient is φ = 123109201920.

The previous prime is 163576315129. The next prime is 163576315159. The reversal of 163576315145 is 541513675361.

It can be written as a sum of positive squares in 8 ways, for example, as 27358483216 + 136217831929 = 165404^2 + 369077^2 .

It is not a de Polignac number, because 163576315145 - 2⁴ = 163576315129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163576315145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227954 + ... + 615723.

It is an arithmetic number, because the mean of its divisors is an integer number (12995594073).

Almost surely, 2^163576315145 is an apocalyptic number.

It is an amenable number.

163576315145 is a deficient number, since it is larger than the sum of its proper divisors (44353190023).

163576315145 is a wasteful number, since it uses less digits than its factorization.

163576315145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845980.

The product of its digits is 1134000, while the sum is 47.

The spelling of 163576315145 in words is "one hundred sixty-three billion, five hundred seventy-six million, three hundred fifteen thousand, one hundred forty-five".