161446081114 has 4 divisors (see below), whose sum is σ = 242169121674. Its totient is φ = 80723040556.

The previous prime is 161446081099. The next prime is 161446081171. The reversal of 161446081114 is 411180644161.

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

It can be written as a sum of positive squares in only one way, i.e., 159773680089 + 1672401025 = 399717^2 + 40895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40361520277 + ... + 40361520280.

Almost surely, 2^161446081114 is an apocalyptic number.

161446081114 is a deficient number, since it is larger than the sum of its proper divisors (80723040560).

161446081114 is an equidigital number, since it uses as much as digits as its factorization.

161446081114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80723040559.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 161446081114 in words is "one hundred sixty-one billion, four hundred forty-six million, eighty-one thousand, one hundred fourteen".