161133455622 has 64 divisors (see below), whose sum is σ = 344963453184. Its totient is φ = 49999165440.

The previous prime is 161133455611. The next prime is 161133455647. The reversal of 161133455622 is 226554331161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7006222 + ... + 7029182.

It is an arithmetic number, because the mean of its divisors is an integer number (5390053956).

Almost surely, 2^161133455622 is an apocalyptic number.

161133455622 is an abundant number, since it is smaller than the sum of its proper divisors (183829997562).

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

161133455622 is a wasteful number, since it uses less digits than its factorization.

161133455622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733.

The product of its digits is 129600, while the sum is 39.

Adding to 161133455622 its reverse (226554331161), we get a palindrome (387687786783).

The spelling of 161133455622 in words is "one hundred sixty-one billion, one hundred thirty-three million, four hundred fifty-five thousand, six hundred twenty-two".