161056618052385 has 48 divisors (see below), whose sum is σ = 293013807347520. Its totient is φ = 75395365584000.

The previous prime is 161056618052287. The next prime is 161056618052387. The reversal of 161056618052385 is 583250816650161.

161056618052385 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 161056618052385 - 2¹³ = 161056618044193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161056618052387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1529885791 + ... + 1529991060.

It is an arithmetic number, because the mean of its divisors is an integer number (6104454319740).

Almost surely, 2^{161056618052385} is an apocalyptic number.

161056618052385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161056618052385 is a deficient number, since it is larger than the sum of its proper divisors (131957189295135).

161056618052385 is a wasteful number, since it uses less digits than its factorization.

161056618052385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059876910 (or 3059876899 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 161056618052385 in words is "one hundred sixty-one trillion, fifty-six billion, six hundred eighteen million, fifty-two thousand, three hundred eighty-five".