66452802 has 32 divisors (see below), whose sum is σ = 146465088. Its totient is φ = 19970496.

The previous prime is 66452801. The next prime is 66452843. The reversal of 66452802 is 20825466.

It is not an unprimeable number, because it can be changed into a prime (66452801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6553 + ... + 13260.

It is an arithmetic number, because the mean of its divisors is an integer number (4577034).

Almost surely, 2^66452802 is an apocalyptic number.

66452802 is an abundant number, since it is smaller than the sum of its proper divisors (80012286).

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

66452802 is a wasteful number, since it uses less digits than its factorization.

66452802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 66452802 is about 8151.8588064318. The cubic root of 66452802 is about 405.0460791955.

The spelling of 66452802 in words is "sixty-six million, four hundred fifty-two thousand, eight hundred two".