66133098 has 20 divisors (see below), whose sum is σ = 148187490. Its totient is φ = 22044312.

The previous prime is 66133063. The next prime is 66133099. The reversal of 66133098 is 89033166.

It is a happy number.

66133098 is a `hidden beast` number, since 6 + 613 + 30 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 11269449 = 7407^2 + 3357^2 .

It is not an unprimeable number, because it can be changed into a prime (66133099) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 203953 + ... + 204276.

Almost surely, 2^66133098 is an apocalyptic number.

66133098 is an abundant number, since it is smaller than the sum of its proper divisors (82054392).

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

66133098 is a wasteful number, since it uses less digits than its factorization.

66133098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408243 (or 408234 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 66133098 is about 8132.2258945506. The cubic root of 66133098 is about 404.3954767080.

The spelling of 66133098 in words is "sixty-six million, one hundred thirty-three thousand, ninety-eight".