161463003622 has 4 divisors (see below), whose sum is σ = 242194505436. Its totient is φ = 80731501810.

The previous prime is 161463003613. The next prime is 161463003671. The reversal of 161463003622 is 226300364161.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 40365750904 + ... + 40365750907.

It is an arithmetic number, because the mean of its divisors is an integer number (60548626359).

Almost surely, 2^161463003622 is an apocalyptic number.

161463003622 is a deficient number, since it is larger than the sum of its proper divisors (80731501814).

161463003622 is an equidigital number, since it uses as much as digits as its factorization.

161463003622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80731501813.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 161463003622 its reverse (226300364161), we get a palindrome (387763367783).

The spelling of 161463003622 in words is "one hundred sixty-one billion, four hundred sixty-three million, three thousand, six hundred twenty-two".