161099214282 has 32 divisors (see below), whose sum is σ = 358111603200. Its totient is φ = 53682735744.

The previous prime is 161099214233. The next prime is 161099214299. The reversal of 161099214282 is 282412990161.

It is a happy number.

161099214282 is a `hidden beast` number, since 1 + 610 + 9 + 9 + 2 + 1 + 4 + 28 + 2 = 666.

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, 299578 + ... + 641829.

It is an arithmetic number, because the mean of its divisors is an integer number (11190987600).

Almost surely, 2^161099214282 is an apocalyptic number.

161099214282 is an abundant number, since it is smaller than the sum of its proper divisors (197012388918).

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

161099214282 is a wasteful number, since it uses less digits than its factorization.

161099214282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944587 (or 944581 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 161099214282 in words is "one hundred sixty-one billion, ninety-nine million, two hundred fourteen thousand, two hundred eighty-two".