66482969 has 16 divisors (see below), whose sum is σ = 78490368. Its totient is φ = 55121472.

The previous prime is 66482959. The next prime is 66483007. The reversal of 66482969 is 96928466.

It is not a de Polignac number, because 66482969 - 2¹² = 66478873 is a prime.

It is a super-2 number, since 2×66482969² = 8839970334109922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66482939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50372 + ... + 51674.

It is an arithmetic number, because the mean of its divisors is an integer number (4905648).

Almost surely, 2^66482969 is an apocalyptic number.

It is an amenable number.

66482969 is a deficient number, since it is larger than the sum of its proper divisors (12007399).

66482969 is a wasteful number, since it uses less digits than its factorization.

66482969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 1119744, while the sum is 50.

The square root of 66482969 is about 8153.7089106737. The cubic root of 66482969 is about 405.1073616705.

The spelling of 66482969 in words is "sixty-six million, four hundred eighty-two thousand, nine hundred sixty-nine".