66263100152 has 32 divisors (see below), whose sum is σ = 129508750800. Its totient is φ = 31744876800.

The previous prime is 66263100149. The next prime is 66263100203. The reversal of 66263100152 is 25100136266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059749 + ... + 1120532.

Almost surely, 2^66263100152 is an apocalyptic number.

It is an amenable number.

66263100152 is a deficient number, since it is larger than the sum of its proper divisors (63245650648).

66263100152 is a wasteful number, since it uses less digits than its factorization.

66263100152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180447 (or 2180443 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 66263100152 in words is "sixty-six billion, two hundred sixty-three million, one hundred thousand, one hundred fifty-two".