66038332 has 6 divisors (see below), whose sum is σ = 115567088. Its totient is φ = 33019164.

The previous prime is 66038321. The next prime is 66038341. The reversal of 66038332 is 23383066.

It is a happy number.

It is a super-2 number, since 2×66038332² = 8722122586684448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66038294 and 66038303.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8254788 + ... + 8254795.

Almost surely, 2^66038332 is an apocalyptic number.

It is an amenable number.

66038332 is a deficient number, since it is larger than the sum of its proper divisors (49528756).

66038332 is a wasteful number, since it uses less digits than its factorization.

66038332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509587 (or 16509585 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 66038332 is about 8126.3972337070. The cubic root of 66038332 is about 404.2022236948.

The spelling of 66038332 in words is "sixty-six million, thirty-eight thousand, three hundred thirty-two".