161352541938 has 16 divisors (see below), whose sum is σ = 368805810240. Its totient is φ = 46100726256.

The previous prime is 161352541921. The next prime is 161352541991. The reversal of 161352541938 is 839145253161.

161352541938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1920863553 + ... + 1920863636.

It is an arithmetic number, because the mean of its divisors is an integer number (23050363140).

Almost surely, 2^161352541938 is an apocalyptic number.

161352541938 is an abundant number, since it is smaller than the sum of its proper divisors (207453268302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161352541938 is a wasteful number, since it uses less digits than its factorization.

161352541938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841727201.

The product of its digits is 777600, while the sum is 48.

The spelling of 161352541938 in words is "one hundred sixty-one billion, three hundred fifty-two million, five hundred forty-one thousand, nine hundred thirty-eight".