253007732066 has 8 divisors (see below), whose sum is σ = 392598205020. Its totient is φ = 122141663728.

The previous prime is 253007732057. The next prime is 253007732093. The reversal of 253007732066 is 660237700352.

253007732066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 226837875625 + 26169856441 = 476275^2 + 161771^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181101081 + ... + 2181101196.

Almost surely, 2^253007732066 is an apocalyptic number.

253007732066 is a deficient number, since it is larger than the sum of its proper divisors (139590472954).

253007732066 is a wasteful number, since it uses less digits than its factorization.

253007732066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362202308.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 253007732066 in words is "two hundred fifty-three billion, seven million, seven hundred thirty-two thousand, sixty-six".