66353253452 has 12 divisors (see below), whose sum is σ = 122948675640. Its totient is φ = 31225060416.

The previous prime is 66353253437. The next prime is 66353253559. The reversal of 66353253452 is 25435235366.

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, 487891502 + ... + 487891637.

It is an arithmetic number, because the mean of its divisors is an integer number (10245722970).

Almost surely, 2^66353253452 is an apocalyptic number.

It is an amenable number.

66353253452 is a deficient number, since it is larger than the sum of its proper divisors (56595422188).

66353253452 is a wasteful number, since it uses less digits than its factorization.

66353253452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975783160 (or 975783158 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 44.

The spelling of 66353253452 in words is "sixty-six billion, three hundred fifty-three million, two hundred fifty-three thousand, four hundred fifty-two".