66151151 has 8 divisors (see below), whose sum is σ = 75302784. Its totient is φ = 57522520.

The previous prime is 66151123. The next prime is 66151181. The reversal of 66151151 is 15115166.

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

It is not a de Polignac number, because 66151151 - 2⁶ = 66151087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66151151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66151181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130481 + ... + 130986.

It is an arithmetic number, because the mean of its divisors is an integer number (9412848).

Almost surely, 2^66151151 is an apocalyptic number.

66151151 is a deficient number, since it is larger than the sum of its proper divisors (9151633).

66151151 is a wasteful number, since it uses less digits than its factorization.

66151151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261501.

The product of its digits is 900, while the sum is 26.

The square root of 66151151 is about 8133.3357855188. The cubic root of 66151151 is about 404.4322706260.

The spelling of 66151151 in words is "sixty-six million, one hundred fifty-one thousand, one hundred fifty-one".