66453352 has 32 divisors (see below), whose sum is σ = 144820800. Its totient is φ = 27995904.

The previous prime is 66453349. The next prime is 66453353. The reversal of 66453352 is 25335466.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66453353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6753 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (4525650).

Almost surely, 2^66453352 is an apocalyptic number.

It is an amenable number.

66453352 is an abundant number, since it is smaller than the sum of its proper divisors (78367448).

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

66453352 is a wasteful number, since it uses less digits than its factorization.

66453352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185 (or 20181 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 66453352 is about 8151.8925409993. The cubic root of 66453352 is about 405.0471966539.

The spelling of 66453352 in words is "sixty-six million, four hundred fifty-three thousand, three hundred fifty-two".