161584086422 has 16 divisors (see below), whose sum is σ = 264439603152. Its totient is φ = 73439178720.

The previous prime is 161584086401. The next prime is 161584086451. The reversal of 161584086422 is 224680485161.

It is a super-2 number, since 2×161584086422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201173 + ... + 603024.

It is an arithmetic number, because the mean of its divisors is an integer number (16527475197).

Almost surely, 2^161584086422 is an apocalyptic number.

161584086422 is a deficient number, since it is larger than the sum of its proper divisors (102855516730).

161584086422 is a wasteful number, since it uses less digits than its factorization.

161584086422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813343.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 161584086422 in words is "one hundred sixty-one billion, five hundred eighty-four million, eighty-six thousand, four hundred twenty-two".