66498354 has 32 divisors (see below), whose sum is σ = 159143040. Its totient is φ = 20460816.

The previous prime is 66498337. The next prime is 66498391. The reversal of 66498354 is 45389466.

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 in 15 ways as a sum of consecutive naturals, for example, 46662 + ... + 48065.

It is an arithmetic number, because the mean of its divisors is an integer number (4973220).

Almost surely, 2^66498354 is an apocalyptic number.

66498354 is an abundant number, since it is smaller than the sum of its proper divisors (92644686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66498354 is a wasteful number, since it uses less digits than its factorization.

66498354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94751 (or 94745 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 66498354 is about 8154.6522917903. The cubic root of 66498354 is about 405.1386082497.

The spelling of 66498354 in words is "sixty-six million, four hundred ninety-eight thousand, three hundred fifty-four".