481668147 has 32 divisors (see below), whose sum is σ = 724368960. Its totient is φ = 316293120.

The previous prime is 481668137. The next prime is 481668169. The reversal of 481668147 is 741866184.

It is not a de Polignac number, because 481668147 - 2¹¹ = 481666099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481668127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924247 + ... + 924767.

It is an arithmetic number, because the mean of its divisors is an integer number (22636530).

Almost surely, 2^481668147 is an apocalyptic number.

481668147 is a deficient number, since it is larger than the sum of its proper divisors (242700813).

481668147 is a wasteful number, since it uses less digits than its factorization.

481668147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 974 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 481668147 is about 21946.9393538142. The cubic root of 481668147 is about 783.8795037941.

The spelling of 481668147 in words is "four hundred eighty-one million, six hundred sixty-eight thousand, one hundred forty-seven".