161166322 has 32 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 73120320.

The previous prime is 161166301. The next prime is 161166349. The reversal of 161166322 is 223661161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85672 + ... + 87532.

It is an arithmetic number, because the mean of its divisors is an integer number (8295210).

Almost surely, 2^161166322 is an apocalyptic number.

161166322 is a deficient number, since it is larger than the sum of its proper divisors (104280398).

161166322 is a wasteful number, since it uses less digits than its factorization.

161166322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its digits is 2592, while the sum is 28.

The square root of 161166322 is about 12695.1298536092. The cubic root of 161166322 is about 544.1994497355.

The spelling of 161166322 in words is "one hundred sixty-one million, one hundred sixty-six thousand, three hundred twenty-two".