161401646282 has 16 divisors (see below), whose sum is σ = 242359925472. Its totient is φ = 80615043600.

The previous prime is 161401646269. The next prime is 161401646299. The reversal of 161401646282 is 282646104161.

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 7 ways as a sum of consecutive naturals, for example, 11720333 + ... + 11734095.

It is an arithmetic number, because the mean of its divisors is an integer number (15147495342).

Almost surely, 2^161401646282 is an apocalyptic number.

161401646282 is a deficient number, since it is larger than the sum of its proper divisors (80958279190).

161401646282 is a wasteful number, since it uses less digits than its factorization.

161401646282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 161401646282 in words is "one hundred sixty-one billion, four hundred one million, six hundred forty-six thousand, two hundred eighty-two".