2253981066 has 8 divisors (see below), whose sum is σ = 4507962144. Its totient is φ = 751327020.

The previous prime is 2253981061. The next prime is 2253981073. The reversal of 2253981066 is 6601893522.

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

2253981066 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2253981061) 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, 187831750 + ... + 187831761.

It is an arithmetic number, because the mean of its divisors is an integer number (563495268).

Almost surely, 2^2253981066 is an apocalyptic number.

2253981066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2253981066 is a wasteful number, since it uses less digits than its factorization.

2253981066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375663516.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2253981066 is about 47476.1104767440. The cubic root of 2253981066 is about 1311.1430820707.

The spelling of 2253981066 in words is "two billion, two hundred fifty-three million, nine hundred eighty-one thousand, sixty-six".