147921166 has 8 divisors (see below), whose sum is σ = 224078904. Its totient is φ = 73228200.

The previous prime is 147921149. The next prime is 147921167. The reversal of 147921166 is 661129741.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147921167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365940 + ... + 366343.

It is an arithmetic number, because the mean of its divisors is an integer number (28009863).

Almost surely, 2^147921166 is an apocalyptic number.

147921166 is a deficient number, since it is larger than the sum of its proper divisors (76157738).

147921166 is a wasteful number, since it uses less digits than its factorization.

147921166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732386.

The product of its digits is 18144, while the sum is 37.

The square root of 147921166 is about 12162.2845715762. The cubic root of 147921166 is about 528.8633120852.

The spelling of 147921166 in words is "one hundred forty-seven million, nine hundred twenty-one thousand, one hundred sixty-six".