66151525261067 has 8 divisors (see below), whose sum is σ = 66203177812176. Its totient is φ = 66099880369152.

The previous prime is 66151525261061. The next prime is 66151525261069. The reversal of 66151525261067 is 76016252515166.

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

It is a cyclic number.

It is not a de Polignac number, because 66151525261067 - 2²⁶ = 66151458152203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66151525261061) 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, 15426968 + ... + 19243034.

It is an arithmetic number, because the mean of its divisors is an integer number (8275397226522).

Almost surely, 2^{66151525261067} is an apocalyptic number.

66151525261067 is a deficient number, since it is larger than the sum of its proper divisors (51652551109).

66151525261067 is a wasteful number, since it uses less digits than its factorization.

66151525261067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829597.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 66151525261067 in words is "sixty-six trillion, one hundred fifty-one billion, five hundred twenty-five million, two hundred sixty-one thousand, sixty-seven".