161169053117 has 8 divisors (see below), whose sum is σ = 169655433600. Its totient is φ = 152683052544.

The previous prime is 161169053081. The next prime is 161169053159. The reversal of 161169053117 is 711350961161.

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 161169053117 - 2⁸ = 161169052861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161169053917) 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, 1305308 + ... + 1423434.

It is an arithmetic number, because the mean of its divisors is an integer number (21206929200).

Almost surely, 2^161169053117 is an apocalyptic number.

It is an amenable number.

161169053117 is a deficient number, since it is larger than the sum of its proper divisors (8486380483).

161169053117 is a wasteful number, since it uses less digits than its factorization.

161169053117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189955.

The product of its (nonzero) digits is 34020, while the sum is 41.

The spelling of 161169053117 in words is "one hundred sixty-one billion, one hundred sixty-nine million, fifty-three thousand, one hundred seventeen".