66000035036430 has 128 divisors (see below), whose sum is σ = 193901093913600. Its totient is φ = 15841592496000.

The previous prime is 66000035036423. The next prime is 66000035036447. The reversal of 66000035036430 is 3463053000066.

It is a happy number.

66000035036430 is a `hidden beast` number, since 6 + 6 + 0 + 0 + 0 + 0 + 3 + 5 + 0 + 3 + 643 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109711090 + ... + 110311029.

It is an arithmetic number, because the mean of its divisors is an integer number (1514852296200).

Almost surely, 2^{66000035036430} is an apocalyptic number.

66000035036430 is an abundant number, since it is smaller than the sum of its proper divisors (127901058877170).

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

66000035036430 is a wasteful number, since it uses less digits than its factorization.

66000035036430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220022247 (or 220022241 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 66000035036430 its reverse (3463053000066), we get a palindrome (69463088036496).

The spelling of 66000035036430 in words is "sixty-six trillion, thirty-five million, thirty-six thousand, four hundred thirty".