66676740411001 has 4 divisors (see below), whose sum is σ = 76201989041152. Its totient is φ = 57151491780852.

The previous prime is 66676740410939. The next prime is 66676740411041. The reversal of 66676740411001 is 10011404767666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 66676740411001 - 2³⁷ = 66539301457529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66676740411041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4762624315065 + ... + 4762624315078.

It is an arithmetic number, because the mean of its divisors is an integer number (19050497260288).

Almost surely, 2^{66676740411001} is an apocalyptic number.

It is an amenable number.

66676740411001 is a deficient number, since it is larger than the sum of its proper divisors (9525248630151).

66676740411001 is an equidigital number, since it uses as much as digits as its factorization.

66676740411001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525248630150.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 66676740411001 in words is "sixty-six trillion, six hundred seventy-six billion, seven hundred forty million, four hundred eleven thousand, one".