53022016666 has 4 divisors (see below), whose sum is σ = 79533025002. Its totient is φ = 26511008332.

The previous prime is 53022016639. The next prime is 53022016681. The reversal of 53022016666 is 66661022035.

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., 41563384641 + 11458632025 = 203871^2 + 107045^2 .

It is a super-2 number, since 2×53022016666² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13255504165 + ... + 13255504168.

Almost surely, 2^53022016666 is an apocalyptic number.

53022016666 is a deficient number, since it is larger than the sum of its proper divisors (26511008336).

53022016666 is a wasteful number, since it uses less digits than its factorization.

53022016666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511008335.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 53022016666 in words is "fifty-three billion, twenty-two million, sixteen thousand, six hundred sixty-six".