66046804 has 12 divisors (see below), whose sum is σ = 119567700. Its totient is φ = 31884608.

The previous prime is 66046801. The next prime is 66046807. The reversal of 66046804 is 40864066.

It is an interprime number because it is at equal distance from previous prime (66046801) and next prime (66046807).

It can be written as a sum of positive squares in 2 ways, for example, as 19096900 + 46949904 = 4370^2 + 6852^2 .

It is a super-2 number, since 2×66046804² = 8724360637228832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66046804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66046801) 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 3 ways as a sum of consecutive naturals, for example, 284569 + ... + 284800.

It is an arithmetic number, because the mean of its divisors is an integer number (9963975).

Almost surely, 2^66046804 is an apocalyptic number.

It is an amenable number.

66046804 is a deficient number, since it is larger than the sum of its proper divisors (53520896).

66046804 is a wasteful number, since it uses less digits than its factorization.

66046804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569402 (or 569400 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 66046804 is about 8126.9184811957. The cubic root of 66046804 is about 404.2195078725.

The spelling of 66046804 in words is "sixty-six million, forty-six thousand, eight hundred four".