5253031666 has 4 divisors (see below), whose sum is σ = 7879547502. Its totient is φ = 2626515832.

The previous prime is 5253031633. The next prime is 5253031681. The reversal of 5253031666 is 6661303525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4489670025 + 763361641 = 67005^2 + 27629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313257915 + ... + 1313257918.

Almost surely, 2^5253031666 is an apocalyptic number.

5253031666 is a deficient number, since it is larger than the sum of its proper divisors (2626515836).

5253031666 is a wasteful number, since it uses less digits than its factorization.

5253031666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626515835.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 5253031666 is about 72477.8011945727. The cubic root of 5253031666 is about 1738.3478025699.

The spelling of 5253031666 in words is "five billion, two hundred fifty-three million, thirty-one thousand, six hundred sixty-six".