66528098 has 48 divisors (see below), whose sum is σ = 128579136. Its totient is φ = 25138080.

The previous prime is 66528097. The next prime is 66528127. The reversal of 66528098 is 89082566.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66528097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95933 + ... + 96623.

It is an arithmetic number, because the mean of its divisors is an integer number (2678732).

Almost surely, 2^66528098 is an apocalyptic number.

66528098 is a deficient number, since it is larger than the sum of its proper divisors (62051038).

66528098 is a wasteful number, since it uses less digits than its factorization.

66528098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 66528098 is about 8156.4758321226. The cubic root of 66528098 is about 405.1990039628.

The spelling of 66528098 in words is "sixty-six million, five hundred twenty-eight thousand, ninety-eight".