66150147 has 12 divisors (see below), whose sum is σ = 102600456. Its totient is φ = 37800000.

The previous prime is 66150143. The next prime is 66150173. The reversal of 66150147 is 74105166.

It is not a de Polignac number, because 66150147 - 2² = 66150143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66150143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224854 + ... + 225147.

It is an arithmetic number, because the mean of its divisors is an integer number (8550038).

Almost surely, 2^66150147 is an apocalyptic number.

66150147 is a deficient number, since it is larger than the sum of its proper divisors (36450309).

66150147 is a wasteful number, since it uses less digits than its factorization.

66150147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450018 (or 450011 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 66150147 is about 8133.2740639917. The cubic root of 66150147 is about 404.4302245439.

The spelling of 66150147 in words is "sixty-six million, one hundred fifty thousand, one hundred forty-seven".