213849502161 has 8 divisors (see below), whose sum is σ = 285618417504. Its totient is φ = 142323460800.

The previous prime is 213849502121. The next prime is 213849502193. The reversal of 213849502161 is 161205948312.

213849502161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213849502161 - 2¹³ = 213849493969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213849502121) 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 7 ways as a sum of consecutive naturals, for example, 60716440 + ... + 60719961.

It is an arithmetic number, because the mean of its divisors is an integer number (35702302188).

Almost surely, 2^213849502161 is an apocalyptic number.

It is an amenable number.

213849502161 is a deficient number, since it is larger than the sum of its proper divisors (71768915343).

213849502161 is a wasteful number, since it uses less digits than its factorization.

213849502161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121436991.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 213849502161 in words is "two hundred thirteen billion, eight hundred forty-nine million, five hundred two thousand, one hundred sixty-one".