147218055583 has 4 divisors (see below), whose sum is σ = 147224399688. Its totient is φ = 147211711480.

The previous prime is 147218055577. The next prime is 147218055613. The reversal of 147218055583 is 385550812741.

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 147218055583 - 2²¹ = 147215958431 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 (147218055553) 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 3 ways as a sum of consecutive naturals, for example, 3137116 + ... + 3183697.

It is an arithmetic number, because the mean of its divisors is an integer number (36806099922).

Almost surely, 2^147218055583 is an apocalyptic number.

147218055583 is a deficient number, since it is larger than the sum of its proper divisors (6344105).

147218055583 is an equidigital number, since it uses as much as digits as its factorization.

147218055583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344104.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 147218055583 in words is "one hundred forty-seven billion, two hundred eighteen million, fifty-five thousand, five hundred eighty-three".