66430500503466 has 32 divisors (see below), whose sum is σ = 145103418091008. Its totient is φ = 20107656883440.

The previous prime is 66430500503453. The next prime is 66430500503473.

66430500503466 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×66430500503466² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569886646 + ... + 570003201.

It is an arithmetic number, because the mean of its divisors is an integer number (4534481815344).

Almost surely, 2^{66430500503466} is an apocalyptic number.

66430500503466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66430500503466 is an abundant number, since it is smaller than the sum of its proper divisors (78672917587542).

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

66430500503466 is a wasteful number, since it uses less digits than its factorization.

66430500503466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139890746.

The product of its (nonzero) digits is 4665600, while the sum is 48.

It can be divided in two parts, 66430500 and 503466, that added together give a palindrome (66933966).

The spelling of 66430500503466 in words is "sixty-six trillion, four hundred thirty billion, five hundred million, five hundred three thousand, four hundred sixty-six".