161622567382 has 12 divisors (see below), whose sum is σ = 257533538220. Its totient is φ = 76057678496.

The previous prime is 161622567377. The next prime is 161622567413. The reversal of 161622567382 is 283765226161.

161622567382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161622567382² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139811332 + ... + 139812487.

It is an arithmetic number, because the mean of its divisors is an integer number (21461128185).

Almost surely, 2^161622567382 is an apocalyptic number.

161622567382 is a deficient number, since it is larger than the sum of its proper divisors (95910970838).

161622567382 is a wasteful number, since it uses less digits than its factorization.

161622567382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279623855 (or 279623838 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 161622567382 in words is "one hundred sixty-one billion, six hundred twenty-two million, five hundred sixty-seven thousand, three hundred eighty-two".