66054151 has 2 divisors, whose sum is σ = 66054152. Its totient is φ = 66054150.

The previous prime is 66054143. The next prime is 66054173. The reversal of 66054151 is 15145066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66054151 - 2³ = 66054143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66054851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33027075 + 33027076.

It is an arithmetic number, because the mean of its divisors is an integer number (33027076).

Almost surely, 2^66054151 is an apocalyptic number.

66054151 is a deficient number, since it is larger than the sum of its proper divisors (1).

66054151 is an equidigital number, since it uses as much as digits as its factorization.

66054151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 66054151 is about 8127.3704849724. The cubic root of 66054151 is about 404.2344956813.

The spelling of 66054151 in words is "sixty-six million, fifty-four thousand, one hundred fifty-one".