66879759024014 has 4 divisors (see below), whose sum is σ = 100319638536024. Its totient is φ = 33439879512006.

The previous prime is 66879759023999. The next prime is 66879759024019. The reversal of 66879759024014 is 41042095797866.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×66879759024014² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66879759024019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16719939756002 + ... + 16719939756005.

It is an arithmetic number, because the mean of its divisors is an integer number (25079909634006).

Almost surely, 2^{66879759024014} is an apocalyptic number.

66879759024014 is a deficient number, since it is larger than the sum of its proper divisors (33439879512010).

66879759024014 is a wasteful number, since it uses less digits than its factorization.

66879759024014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33439879512009.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 66879759024014 in words is "sixty-six trillion, eight hundred seventy-nine billion, seven hundred fifty-nine million, twenty-four thousand, fourteen".