161535413422 has 16 divisors (see below), whose sum is σ = 243638432352. Its totient is φ = 80322877440.

The previous prime is 161535413419. The next prime is 161535413437. The reversal of 161535413422 is 224314535161.

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, 1137663 + ... + 1271749.

It is an arithmetic number, because the mean of its divisors is an integer number (15227402022).

Almost surely, 2^161535413422 is an apocalyptic number.

161535413422 is a deficient number, since it is larger than the sum of its proper divisors (82103018930).

161535413422 is a wasteful number, since it uses less digits than its factorization.

161535413422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137403.

The product of its digits is 86400, while the sum is 37.

Adding to 161535413422 its reverse (224314535161), we get a palindrome (385849948583).

The spelling of 161535413422 in words is "one hundred sixty-one billion, five hundred thirty-five million, four hundred thirteen thousand, four hundred twenty-two".