66247584030 has 24 divisors (see below), whose sum is σ = 172243718712. Its totient is φ = 17666022384.

The previous prime is 66247583989. The next prime is 66247584061. The reversal of 66247584030 is 3048574266.

66247584030 is a `hidden beast` number, since 6 + 62 + 4 + 7 + 584 + 0 + 3 + 0 = 666.

It is a super-2 number, since 2×66247584030² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368042044 + ... + 368042223.

It is an arithmetic number, because the mean of its divisors is an integer number (7176821613).

Almost surely, 2^66247584030 is an apocalyptic number.

66247584030 is an abundant number, since it is smaller than the sum of its proper divisors (105996134682).

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

66247584030 is a wasteful number, since it uses less digits than its factorization.

66247584030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736084280 (or 736084277 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 66247584030 in words is "sixty-six billion, two hundred forty-seven million, five hundred eighty-four thousand, thirty".