161096111257 has 8 divisors (see below), whose sum is σ = 166585450176. Its totient is φ = 155697505392.

The previous prime is 161096111237. The next prime is 161096111321. The reversal of 161096111257 is 752111690161.

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 not a de Polignac number, because 161096111257 - 2¹⁹ = 161095586969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161096111207) 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, 22679653 + ... + 22686754.

It is an arithmetic number, because the mean of its divisors is an integer number (20823181272).

Almost surely, 2^161096111257 is an apocalyptic number.

It is an amenable number.

161096111257 is a deficient number, since it is larger than the sum of its proper divisors (5489338919).

161096111257 is an equidigital number, since it uses as much as digits as its factorization.

161096111257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366527.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 161096111257 in words is "one hundred sixty-one billion, ninety-six million, one hundred eleven thousand, two hundred fifty-seven".