890165051 has 4 divisors (see below), whose sum is σ = 906960672. Its totient is φ = 873369432.

The previous prime is 890165047. The next prime is 890165053. The reversal of 890165051 is 150561098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 890165051 - 2² = 890165047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890165053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8397731 + ... + 8397836.

It is an arithmetic number, because the mean of its divisors is an integer number (226740168).

Almost surely, 2^890165051 is an apocalyptic number.

890165051 is a deficient number, since it is larger than the sum of its proper divisors (16795621).

890165051 is a wasteful number, since it uses less digits than its factorization.

890165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795620.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 890165051 is about 29835.6339131583. The cubic root of 890165051 is about 961.9596295748.

The spelling of 890165051 in words is "eight hundred ninety million, one hundred sixty-five thousand, fifty-one".