66339114624 has 96 divisors (see below), whose sum is σ = 194499735300. Its totient is φ = 21695791104.

The previous prime is 66339114577. The next prime is 66339114629. The reversal of 66339114624 is 42641193366.

66339114624 is a `hidden beast` number, since 6 + 6 + 3 + 3 + 9 + 1 + 14 + 624 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60009321024 + 6329793600 = 244968^2 + 79560^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×66339114624² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 66339114624.

It is not an unprimeable number, because it can be changed into a prime (66339114629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482209 + ... + 604320.

Almost surely, 2^66339114624 is an apocalyptic number.

66339114624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66339114624 is an abundant number, since it is smaller than the sum of its proper divisors (128160620676).

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

66339114624 is a wasteful number, since it uses less digits than its factorization.

66339114624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086602 (or 1086587 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 66339114624 in words is "sixty-six billion, three hundred thirty-nine million, one hundred fourteen thousand, six hundred twenty-four".