161246264112 has 80 divisors (see below), whose sum is σ = 462940236000. Its totient is φ = 53736708096.

The previous prime is 161246264107. The next prime is 161246264161. The reversal of 161246264112 is 211462642161.

161246264112 is a `hidden beast` number, since 1 + 6 + 1 + 2 + 4 + 6 + 2 + 641 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003464 + ... + 2082392.

It is an arithmetic number, because the mean of its divisors is an integer number (5786752950).

Almost surely, 2^161246264112 is an apocalyptic number.

161246264112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161246264112 is an abundant number, since it is smaller than the sum of its proper divisors (301693971888).

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

161246264112 is a wasteful number, since it uses less digits than its factorization.

161246264112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83675 (or 83663 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 161246264112 in words is "one hundred sixty-one billion, two hundred forty-six million, two hundred sixty-four thousand, one hundred twelve".