66083475 has 48 divisors (see below), whose sum is σ = 115579904. Its totient is φ = 33264000.

The previous prime is 66083449. The next prime is 66083491. The reversal of 66083475 is 57438066.

It is not a de Polignac number, because 66083475 - 2¹² = 66079379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99645 + ... + 100305.

Almost surely, 2^66083475 is an apocalyptic number.

66083475 is a deficient number, since it is larger than the sum of its proper divisors (49496429).

66083475 is a wasteful number, since it uses less digits than its factorization.

66083475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 66083475 is about 8129.1743123149. The cubic root of 66083475 is about 404.2943052895.

The spelling of 66083475 in words is "sixty-six million, eighty-three thousand, four hundred seventy-five".