6660263552453 has 4 divisors (see below), whose sum is σ = 7611729774240. Its totient is φ = 5708797330668.

The previous prime is 6660263552419. The next prime is 6660263552497. The reversal of 6660263552453 is 3542553620666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6660263552453 - 2¹⁸ = 6660263290309 is a prime.

It is a super-2 number, since 2×6660263552453² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6660263552395 and 6660263552404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660263552053) 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, 475733110883 + ... + 475733110896.

It is an arithmetic number, because the mean of its divisors is an integer number (1902932443560).

Almost surely, 2^{6660263552453} is an apocalyptic number.

It is an amenable number.

6660263552453 is a deficient number, since it is larger than the sum of its proper divisors (951466221787).

6660263552453 is an equidigital number, since it uses as much as digits as its factorization.

6660263552453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951466221786.

The product of its (nonzero) digits is 23328000, while the sum is 53.

The spelling of 6660263552453 in words is "six trillion, six hundred sixty billion, two hundred sixty-three million, five hundred fifty-two thousand, four hundred fifty-three".