2266164991 has 8 divisors (see below), whose sum is σ = 2400765264. Its totient is φ = 2131708800.

The previous prime is 2266164959. The next prime is 2266165037. The reversal of 2266164991 is 1994616622.

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 2266164991 - 2⁵ = 2266164959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266164911) 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, 2745 + ... + 67378.

It is an arithmetic number, because the mean of its divisors is an integer number (300095658).

Almost surely, 2^2266164991 is an apocalyptic number.

2266164991 is a deficient number, since it is larger than the sum of its proper divisors (134600273).

2266164991 is a wasteful number, since it uses less digits than its factorization.

2266164991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72041.

The product of its digits is 279936, while the sum is 46.

The square root of 2266164991 is about 47604.2539170608. The cubic root of 2266164991 is about 1313.5013052199.

The spelling of 2266164991 in words is "two billion, two hundred sixty-six million, one hundred sixty-four thousand, nine hundred ninety-one".