66463430350 has 96 divisors (see below), whose sum is σ = 133875270720. Its totient is φ = 24457789440.

The previous prime is 66463430347. The next prime is 66463430381. The reversal of 66463430350 is 5303436466.

It is a happy number.

It is a super-2 number, since 2×66463430350² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7006911 + ... + 7016389.

It is an arithmetic number, because the mean of its divisors is an integer number (1394534070).

Almost surely, 2^66463430350 is an apocalyptic number.

66463430350 is an abundant number, since it is smaller than the sum of its proper divisors (67411840370).

66463430350 is a wasteful number, since it uses less digits than its factorization.

66463430350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694 (or 9689 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 66463430350 in words is "sixty-six billion, four hundred sixty-three million, four hundred thirty thousand, three hundred fifty".