890716161 has 8 divisors (see below), whose sum is σ = 1189442880. Its totient is φ = 592900112.

The previous prime is 890716153. The next prime is 890716163. The reversal of 890716161 is 161617098.

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 890716161 - 2³ = 890716153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890716163) 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, 225381 + ... + 229298.

It is an arithmetic number, because the mean of its divisors is an integer number (148680360).

Almost surely, 2^890716161 is an apocalyptic number.

It is an amenable number.

890716161 is a deficient number, since it is larger than the sum of its proper divisors (298726719).

890716161 is a wasteful number, since it uses less digits than its factorization.

890716161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455335.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 890716161 is about 29844.8682523478. The cubic root of 890716161 is about 962.1581081986.

The spelling of 890716161 in words is "eight hundred ninety million, seven hundred sixteen thousand, one hundred sixty-one".