66253263224 has 16 divisors (see below), whose sum is σ = 124719792120. Its totient is φ = 32994652000.

The previous prime is 66253263211. The next prime is 66253263281. The reversal of 66253263224 is 42236235266.

It is a congruent 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, 16495319 + ... + 16499334.

Almost surely, 2^66253263224 is an apocalyptic number.

It is an amenable number.

66253263224 is a deficient number, since it is larger than the sum of its proper divisors (58466528896).

66253263224 is a wasteful number, since it uses less digits than its factorization.

66253263224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32994910 (or 32994906 counting only the distinct ones).

The product of its digits is 622080, while the sum is 41.

The spelling of 66253263224 in words is "sixty-six billion, two hundred fifty-three million, two hundred sixty-three thousand, two hundred twenty-four".