66493054 has 8 divisors (see below), whose sum is σ = 100337328. Its totient is φ = 33047280.

The previous prime is 66493039. The next prime is 66493061. The reversal of 66493054 is 45039466.

It is a happy number.

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

It is a congruent number.

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, 99207 + ... + 99874.

It is an arithmetic number, because the mean of its divisors is an integer number (12542166).

Almost surely, 2^66493054 is an apocalyptic number.

66493054 is a deficient number, since it is larger than the sum of its proper divisors (33844274).

66493054 is a wasteful number, since it uses less digits than its factorization.

66493054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199250.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 66493054 is about 8154.3273174432. The cubic root of 66493054 is about 405.1278446165.

The spelling of 66493054 in words is "sixty-six million, four hundred ninety-three thousand, fifty-four".