66736736734011 has 8 divisors (see below), whose sum is σ = 89313104923920. Its totient is φ = 44325763183392.

The previous prime is 66736736734009. The next prime is 66736736734021. The reversal of 66736736734011 is 11043763763766.

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

It is not a de Polignac number, because 66736736734011 - 2¹ = 66736736734009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66736736734001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41348658880 + ... + 41348660493.

It is an arithmetic number, because the mean of its divisors is an integer number (11164138115490).

Almost surely, 2^{66736736734011} is an apocalyptic number.

66736736734011 is a deficient number, since it is larger than the sum of its proper divisors (22576368189909).

66736736734011 is a wasteful number, since it uses less digits than its factorization.

66736736734011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82697319645.

The product of its (nonzero) digits is 48009024, while the sum is 60.

The spelling of 66736736734011 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred thirty-six million, seven hundred thirty-four thousand, eleven".