66369030 has 192 divisors, whose sum is σ = 209599488. Its totient is φ = 13305600.

The previous prime is 66369013. The next prime is 66369067. The reversal of 66369030 is 3096366.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66368982 and 66369000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 439455 + ... + 439605.

It is an arithmetic number, because the mean of its divisors is an integer number (1091664).

Almost surely, 2^66369030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66369030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104799744).

66369030 is an abundant number, since it is smaller than the sum of its proper divisors (143230458).

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

66369030 is a wasteful number, since it uses less digits than its factorization.

66369030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 66369030 is about 8146.7189714633. The cubic root of 66369030 is about 404.8758040156.

The spelling of 66369030 in words is "sixty-six million, three hundred sixty-nine thousand, thirty".