262143161 has 8 divisors (see below), whose sum is σ = 309256704. Its totient is φ = 217445760.

The previous prime is 262143157. The next prime is 262143191. The reversal of 262143161 is 161341262.

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

It is not a de Polignac number, because 262143161 - 2² = 262143157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 262143161.

It is not an unprimeable number, because it can be changed into a prime (262143131) 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, 603800 + ... + 604233.

It is an arithmetic number, because the mean of its divisors is an integer number (38657088).

Almost surely, 2^262143161 is an apocalyptic number.

It is an amenable number.

262143161 is a deficient number, since it is larger than the sum of its proper divisors (47113543).

262143161 is a wasteful number, since it uses less digits than its factorization.

262143161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208071.

The product of its digits is 1728, while the sum is 26.

The square root of 262143161 is about 16190.8357103641. The cubic root of 262143161 is about 639.9993172193. Note that the first 3 decimals are identical.

The spelling of 262143161 in words is "two hundred sixty-two million, one hundred forty-three thousand, one hundred sixty-one".