213880161 has 8 divisors (see below), whose sum is σ = 311098464. Its totient is φ = 129624320.

The previous prime is 213880159. The next prime is 213880181. The reversal of 213880161 is 161088312.

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

It is a cyclic number.

It is not a de Polignac number, because 213880161 - 2¹ = 213880159 is a prime.

It is a super-3 number, since 3×213880161³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (213880141) 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, 3240576 + ... + 3240641.

It is an arithmetic number, because the mean of its divisors is an integer number (38887308).

Almost surely, 2^213880161 is an apocalyptic number.

It is an amenable number.

213880161 is a deficient number, since it is larger than the sum of its proper divisors (97218303).

213880161 is a wasteful number, since it uses less digits than its factorization.

213880161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481231.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 213880161 is about 14624.6422520347. The cubic root of 213880161 is about 598.0307298071.

The spelling of 213880161 in words is "two hundred thirteen million, eight hundred eighty thousand, one hundred sixty-one".