161152616250161 has 8 divisors (see below), whose sum is σ = 162383680165344. Its totient is φ = 159921565839360.

The previous prime is 161152616250139. The next prime is 161152616250229. The reversal of 161152616250161 is 161052616251161.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161152616250161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161152616250061) 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, 21266150 + ... + 27830816.

It is an arithmetic number, because the mean of its divisors is an integer number (20297960020668).

Almost surely, 2^{161152616250161} is an apocalyptic number.

It is an amenable number.

161152616250161 is a deficient number, since it is larger than the sum of its proper divisors (1231063915183).

161152616250161 is a wasteful number, since it uses less digits than its factorization.

161152616250161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752191.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 161152616250161 in words is "one hundred sixty-one trillion, one hundred fifty-two billion, six hundred sixteen million, two hundred fifty thousand, one hundred sixty-one".