146868312661 has 8 divisors (see below), whose sum is σ = 168259893440. Its totient is φ = 125579330208.

The previous prime is 146868312649. The next prime is 146868312707. The reversal of 146868312661 is 166213868641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146868312661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146868312599 and 146868312608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146868312641) 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, 25646511 + ... + 25652236.

It is an arithmetic number, because the mean of its divisors is an integer number (21032486680).

Almost surely, 2^146868312661 is an apocalyptic number.

It is an amenable number.

146868312661 is a deficient number, since it is larger than the sum of its proper divisors (21391580779).

146868312661 is an equidigital number, since it uses as much as digits as its factorization.

146868312661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51299163.

The product of its digits is 1990656, while the sum is 52.

The spelling of 146868312661 in words is "one hundred forty-six billion, eight hundred sixty-eight million, three hundred twelve thousand, six hundred sixty-one".