161075101355513 has 8 divisors (see below), whose sum is σ = 170583673657320. Its totient is φ = 151570258647040.

The previous prime is 161075101355453. The next prime is 161075101355537. The reversal of 161075101355513 is 315553101570161.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22072450624 + 161053028904889 = 148568^2 + 12690667^2 .

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 161075101355513 - 2²⁰ = 161075100306937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161075101355543) 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, 932309408 + ... + 932482161.

It is an arithmetic number, because the mean of its divisors is an integer number (21322959207165).

Almost surely, 2^{161075101355513} is an apocalyptic number.

It is an amenable number.

161075101355513 is a deficient number, since it is larger than the sum of its proper divisors (9508572301807).

161075101355513 is a wasteful number, since it uses less digits than its factorization.

161075101355513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864796667.

The product of its (nonzero) digits is 236250, while the sum is 44.

The spelling of 161075101355513 in words is "one hundred sixty-one trillion, seventy-five billion, one hundred one million, three hundred fifty-five thousand, five hundred thirteen".