66353024436 has 24 divisors (see below), whose sum is σ = 162972341280. Its totient is φ = 20953586592.

The previous prime is 66353024431. The next prime is 66353024443. The reversal of 66353024436 is 63442035366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66353024431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145510791 + ... + 145511246.

It is an arithmetic number, because the mean of its divisors is an integer number (6790514220).

Almost surely, 2^66353024436 is an apocalyptic number.

It is an amenable number.

66353024436 is an abundant number, since it is smaller than the sum of its proper divisors (96619316844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66353024436 is a wasteful number, since it uses less digits than its factorization.

66353024436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291022063 (or 291022061 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 66353024436 in words is "sixty-six billion, three hundred fifty-three million, twenty-four thousand, four hundred thirty-six".