161541416152 has 8 divisors (see below), whose sum is σ = 302890155300. Its totient is φ = 80770708072.

The previous prime is 161541416093. The next prime is 161541416161. The reversal of 161541416152 is 251614145161.

161541416152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 10096338502 + ... + 10096338517.

Almost surely, 2^161541416152 is an apocalyptic number.

It is an amenable number.

161541416152 is a deficient number, since it is larger than the sum of its proper divisors (141348739148).

161541416152 is a wasteful number, since it uses less digits than its factorization.

161541416152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192677025 (or 20192677021 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The spelling of 161541416152 in words is "one hundred sixty-one billion, five hundred forty-one million, four hundred sixteen thousand, one hundred fifty-two".