161411259695 has 8 divisors (see below), whose sum is σ = 221364013344. Its totient is φ = 110682006624.

The previous prime is 161411259679. The next prime is 161411259749. The reversal of 161411259695 is 596952114161.

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

It is not a de Polignac number, because 161411259695 - 2⁴ = 161411259679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305875104 + ... + 2305875173.

It is an arithmetic number, because the mean of its divisors is an integer number (27670501668).

Almost surely, 2^161411259695 is an apocalyptic number.

161411259695 is a deficient number, since it is larger than the sum of its proper divisors (59952753649).

161411259695 is an equidigital number, since it uses as much as digits as its factorization.

161411259695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611750289.

The product of its digits is 583200, while the sum is 50.

The spelling of 161411259695 in words is "one hundred sixty-one billion, four hundred eleven million, two hundred fifty-nine thousand, six hundred ninety-five".