650266161 has 16 divisors (see below), whose sum is σ = 883151808. Its totient is φ = 425476800.

The previous prime is 650266151. The next prime is 650266163. The reversal of 650266161 is 161662056.

It is not a de Polignac number, because 650266161 - 2⁷ = 650266033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650266163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86235 + ... + 93471.

It is an arithmetic number, because the mean of its divisors is an integer number (55196988).

Almost surely, 2^650266161 is an apocalyptic number.

650266161 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

650266161 is a deficient number, since it is larger than the sum of its proper divisors (232885647).

650266161 is a wasteful number, since it uses less digits than its factorization.

650266161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 650266161 is about 25500.3168803841. The cubic root of 650266161 is about 866.3573246250.

The spelling of 650266161 in words is "six hundred fifty million, two hundred sixty-six thousand, one hundred sixty-one".