146663635643 has 8 divisors (see below), whose sum is σ = 169737300480. Its totient is φ = 124120400040.

The previous prime is 146663635633. The next prime is 146663635667. The reversal of 146663635643 is 346536366641.

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

It is not a de Polignac number, because 146663635643 - 2¹⁶ = 146663570107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146663635633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132606713 + ... + 132607818.

It is an arithmetic number, because the mean of its divisors is an integer number (21217162560).

Almost surely, 2^146663635643 is an apocalyptic number.

146663635643 is a deficient number, since it is larger than the sum of its proper divisors (23073664837).

146663635643 is an equidigital number, since it uses as much as digits as its factorization.

146663635643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265214617.

The product of its digits is 16796160, while the sum is 53.

The spelling of 146663635643 in words is "one hundred forty-six billion, six hundred sixty-three million, six hundred thirty-five thousand, six hundred forty-three".