161322654367 has 16 divisors (see below), whose sum is σ = 190352719872. Its totient is φ = 133841695680.

The previous prime is 161322654359. The next prime is 161322654371. The reversal of 161322654367 is 763456223161.

It is a happy number.

It is not a de Polignac number, because 161322654367 - 2³ = 161322654359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161322654067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176543 + ... + 2249440.

It is an arithmetic number, because the mean of its divisors is an integer number (11897044992).

Almost surely, 2^161322654367 is an apocalyptic number.

161322654367 is a deficient number, since it is larger than the sum of its proper divisors (29030065505).

161322654367 is a wasteful number, since it uses less digits than its factorization.

161322654367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426158.

The product of its digits is 1088640, while the sum is 46.

The spelling of 161322654367 in words is "one hundred sixty-one billion, three hundred twenty-two million, six hundred fifty-four thousand, three hundred sixty-seven".