84541804155161 has 8 divisors (see below), whose sum is σ = 84569829986664. Its totient is φ = 84513779015680.

The previous prime is 84541804155103. The next prime is 84541804155163. The reversal of 84541804155161 is 16155140814548.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27352439761936 + 57189364393225 = 5229956^2 + 7562365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84541804155161 is a prime.

It is a super-3 number, since 3×84541804155161³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84541804155163) 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, 382707101 + ... + 382927941.

It is an arithmetic number, because the mean of its divisors is an integer number (10571228748333).

Almost surely, 2^{84541804155161} is an apocalyptic number.

It is an amenable number.

84541804155161 is a deficient number, since it is larger than the sum of its proper divisors (28025831503).

84541804155161 is a wasteful number, since it uses less digits than its factorization.

84541804155161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346011.

The product of its (nonzero) digits is 3072000, while the sum is 53.

The spelling of 84541804155161 in words is "eighty-four trillion, five hundred forty-one billion, eight hundred four million, one hundred fifty-five thousand, one hundred sixty-one".