66373444477011 has 16 divisors (see below), whose sum is σ = 101160824903424. Its totient is φ = 37920055777824.

The previous prime is 66373444477003. The next prime is 66373444477027. The reversal of 66373444477011 is 11077444437366.

It is not a de Polignac number, because 66373444477011 - 2³ = 66373444477003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66373444477051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317675601 + ... + 317884466.

It is an arithmetic number, because the mean of its divisors is an integer number (6322551556464).

Almost surely, 2^{66373444477011} is an apocalyptic number.

66373444477011 is a deficient number, since it is larger than the sum of its proper divisors (34787380426413).

66373444477011 is a wasteful number, since it uses less digits than its factorization.

66373444477011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635565050.

The product of its (nonzero) digits is 28449792, while the sum is 57.

The spelling of 66373444477011 in words is "sixty-six trillion, three hundred seventy-three billion, four hundred forty-four million, four hundred seventy-seven thousand, eleven".