161151614541 has 12 divisors (see below), whose sum is σ = 233115375168. Its totient is φ = 107277107784.

The previous prime is 161151614531. The next prime is 161151614557. The reversal of 161151614541 is 145416151161.

161151614541 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 51 + 61 + 4 + 541 = 666.

161151614541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161151614541 - 2¹³ = 161151606349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161151614496 and 161151614505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161151614501) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13102005 + ... + 13114298.

It is an arithmetic number, because the mean of its divisors is an integer number (19426281264).

Almost surely, 2^161151614541 is an apocalyptic number.

It is an amenable number.

161151614541 is a deficient number, since it is larger than the sum of its proper divisors (71963760627).

161151614541 is a wasteful number, since it uses less digits than its factorization.

161151614541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26216992 (or 26216989 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The spelling of 161151614541 in words is "one hundred sixty-one billion, one hundred fifty-one million, six hundred fourteen thousand, five hundred forty-one".