161847682653546 has 16 divisors (see below), whose sum is σ = 359661517008000. Its totient is φ = 53949227551164.

The previous prime is 161847682653541. The next prime is 161847682653593. The reversal of 161847682653546 is 645356286748161.

161847682653546 is a `hidden beast` number, since 1 + 6 + 1 + 8 + 4 + 7 + 6 + 8 + 26 + 53 + 546 = 666.

161847682653546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×161847682653546⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (161847682653541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498589654146 + ... + 1498589654253.

It is an arithmetic number, because the mean of its divisors is an integer number (22478844813000).

Almost surely, 2^{161847682653546} is an apocalyptic number.

161847682653546 is an abundant number, since it is smaller than the sum of its proper divisors (197813834354454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161847682653546 is a wasteful number, since it uses less digits than its factorization.

161847682653546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997179308410 (or 2997179308404 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 72.

The spelling of 161847682653546 in words is "one hundred sixty-one trillion, eight hundred forty-seven billion, six hundred eighty-two million, six hundred fifty-three thousand, five hundred forty-six".