66111060606151 has 16 divisors (see below), whose sum is σ = 73198882869120. Its totient is φ = 59202890952480.

The previous prime is 66111060606061. The next prime is 66111060606167. The reversal of 66111060606151 is 15160606011166.

It is not a de Polignac number, because 66111060606151 - 2⁷ = 66111060606023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66111060604151) 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, 42653065 + ... + 44175853.

It is an arithmetic number, because the mean of its divisors is an integer number (4574930179320).

Almost surely, 2^{66111060606151} is an apocalyptic number.

66111060606151 is a deficient number, since it is larger than the sum of its proper divisors (7087822262969).

66111060606151 is a wasteful number, since it uses less digits than its factorization.

66111060606151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581774.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 66111060606151 in words is "sixty-six trillion, one hundred eleven billion, sixty million, six hundred six thousand, one hundred fifty-one".