161246365011 has 16 divisors (see below), whose sum is σ = 244709932320. Its totient is φ = 104875683840.

The previous prime is 161246365003. The next prime is 161246365019. The reversal of 161246365011 is 110563642161.

161246365011 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 4 + 636 + 5 + 0 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (161246365003) and next prime (161246365019).

It is not a de Polignac number, because 161246365011 - 2³ = 161246365003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161246365019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72829230 + ... + 72831443.

It is an arithmetic number, because the mean of its divisors is an integer number (15294370770).

Almost surely, 2^161246365011 is an apocalyptic number.

161246365011 is a deficient number, since it is larger than the sum of its proper divisors (83463567309).

161246365011 is a wasteful number, since it uses less digits than its factorization.

161246365011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145660723 (or 145660717 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 161246365011 in words is "one hundred sixty-one billion, two hundred forty-six million, three hundred sixty-five thousand, eleven".