147211663 has 4 divisors (see below), whose sum is σ = 149408920. Its totient is φ = 145014408.

The previous prime is 147211609. The next prime is 147211679. The reversal of 147211663 is 366112741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147211663 - 2⁹ = 147211151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147211763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098528 + ... + 1098661.

It is an arithmetic number, because the mean of its divisors is an integer number (37352230).

Almost surely, 2^147211663 is an apocalyptic number.

147211663 is a deficient number, since it is larger than the sum of its proper divisors (2197257).

147211663 is an equidigital number, since it uses as much as digits as its factorization.

147211663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197256.

The product of its digits is 6048, while the sum is 31.

The square root of 147211663 is about 12133.0813481160. The cubic root of 147211663 is about 528.0163933061.

It can be divided in two parts, 14721 and 1663, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 147211663 in words is "one hundred forty-seven million, two hundred eleven thousand, six hundred sixty-three".