253763712066 has 8 divisors (see below), whose sum is σ = 507527424144. Its totient is φ = 84587904020.

The previous prime is 253763712029. The next prime is 253763712091. The reversal of 253763712066 is 660217367352.

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

253763712066 is an admirable number.

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, 21146976000 + ... + 21146976011.

It is an arithmetic number, because the mean of its divisors is an integer number (63440928018).

Almost surely, 2^253763712066 is an apocalyptic number.

253763712066 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.

253763712066 is a wasteful number, since it uses less digits than its factorization.

253763712066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42293952016.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 253763712066 in words is "two hundred fifty-three billion, seven hundred sixty-three million, seven hundred twelve thousand, sixty-six".