161006151622 has 16 divisors (see below), whose sum is σ = 242390484000. Its totient is φ = 80209684800.

The previous prime is 161006151619. The next prime is 161006151641. The reversal of 161006151622 is 226151600161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810247 + ... + 989197.

It is an arithmetic number, because the mean of its divisors is an integer number (15149405250).

Almost surely, 2^161006151622 is an apocalyptic number.

161006151622 is a deficient number, since it is larger than the sum of its proper divisors (81384332378).

161006151622 is a wasteful number, since it uses less digits than its factorization.

161006151622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180591.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 161006151622 its reverse (226151600161), we get a palindrome (387157751783).

The spelling of 161006151622 in words is "one hundred sixty-one billion, six million, one hundred fifty-one thousand, six hundred twenty-two".