66498908 has 24 divisors (see below), whose sum is σ = 133238112. Its totient is φ = 28448064.

The previous prime is 66498869. The next prime is 66498923. The reversal of 66498908 is 80989466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16466 + ... + 20102.

It is an arithmetic number, because the mean of its divisors is an integer number (5551588).

Almost surely, 2^66498908 is an apocalyptic number.

It is an amenable number.

66498908 is an abundant number, since it is smaller than the sum of its proper divisors (66739204).

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

66498908 is a wasteful number, since it uses less digits than its factorization.

66498908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 66498908 is about 8154.6862600593. The cubic root of 66498908 is about 405.1397333210.

The spelling of 66498908 in words is "sixty-six million, four hundred ninety-eight thousand, nine hundred eight".