161252743830696 has 96 divisors (see below), whose sum is σ = 499148750468160. Its totient is φ = 46069155772416.

The previous prime is 161252743830653. The next prime is 161252743830697. The reversal of 161252743830696 is 696038347252161.

161252743830696 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 527 + 43 + 8 + 3 + 0 + 69 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (161252743830697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3004345 + ... + 18208008.

It is an arithmetic number, because the mean of its divisors is an integer number (5199466150710).

It is a 2-persistent number, because it is pandigital, and so is 2⋅161252743830696 = 322505487661392, but 3⋅161252743830696 = 483758231492088 is not.

Almost surely, 2^{161252743830696} is an apocalyptic number.

It is an amenable number.

161252743830696 is an abundant number, since it is smaller than the sum of its proper divisors (337896006637464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161252743830696 is a wasteful number, since it uses less digits than its factorization.

161252743830696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21227455 (or 21227448 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 161252743830696 in words is "one hundred sixty-one trillion, two hundred fifty-two billion, seven hundred forty-three million, eight hundred thirty thousand, six hundred ninety-six".