161160451245 has 24 divisors (see below), whose sum is σ = 280575393696. Its totient is φ = 85573591008.

The previous prime is 161160451217. The next prime is 161160451259. The reversal of 161160451245 is 542154061161.

161160451245 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 604 + 5 + 1 + 2 + 45 = 666.

161160451245 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 161160451245 - 2⁶ = 161160451181 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 7878207 + ... + 7898636.

It is an arithmetic number, because the mean of its divisors is an integer number (11690641404).

Almost surely, 2^161160451245 is an apocalyptic number.

161160451245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161160451245 is a deficient number, since it is larger than the sum of its proper divisors (119414942451).

161160451245 is a wasteful number, since it uses less digits than its factorization.

161160451245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777081 (or 15777078 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 161160451245 in words is "one hundred sixty-one billion, one hundred sixty million, four hundred fifty-one thousand, two hundred forty-five".