66870742514 has 8 divisors (see below), whose sum is σ = 100319670768. Its totient is φ = 33430852260.

The previous prime is 66870742507. The next prime is 66870742531. The reversal of 66870742514 is 41524707866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240972 + ... + 2270615.

It is an arithmetic number, because the mean of its divisors is an integer number (12539958846).

Almost surely, 2^66870742514 is an apocalyptic number.

66870742514 is a deficient number, since it is larger than the sum of its proper divisors (33448928254).

66870742514 is a wasteful number, since it uses less digits than its factorization.

66870742514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519000.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 66870742514 in words is "sixty-six billion, eight hundred seventy million, seven hundred forty-two thousand, five hundred fourteen".