66481058 has 8 divisors (see below), whose sum is σ = 113967552. Its totient is φ = 28491876.

The previous prime is 66481043. The next prime is 66481061. The reversal of 66481058 is 85018466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374310 + ... + 2374337.

It is an arithmetic number, because the mean of its divisors is an integer number (14245944).

Almost surely, 2^66481058 is an apocalyptic number.

66481058 is a deficient number, since it is larger than the sum of its proper divisors (47486494).

66481058 is a wasteful number, since it uses less digits than its factorization.

66481058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748656.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 66481058 is about 8153.5917238969. The cubic root of 66481058 is about 405.1034801372.

The spelling of 66481058 in words is "sixty-six million, four hundred eighty-one thousand, fifty-eight".