66439124046 has 16 divisors (see below), whose sum is σ = 147642498000. Its totient is φ = 22146374664.

The previous prime is 66439124023. The next prime is 66439124069. The reversal of 66439124046 is 64042193466.

It is an interprime number because it is at equal distance from previous prime (66439124023) and next prime (66439124069).

It is a junction number, because it is equal to n+sod(n) for n = 66439123992 and 66439124010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 615177021 + ... + 615177128.

It is an arithmetic number, because the mean of its divisors is an integer number (9227656125).

Almost surely, 2^66439124046 is an apocalyptic number.

66439124046 is an abundant number, since it is smaller than the sum of its proper divisors (81203373954).

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

66439124046 is a wasteful number, since it uses less digits than its factorization.

66439124046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230354160 (or 1230354154 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 66439124046 in words is "sixty-six billion, four hundred thirty-nine million, one hundred twenty-four thousand, forty-six".