146663561249 has 8 divisors (see below), whose sum is σ = 151755145920. Its totient is φ = 141574258000.

The previous prime is 146663561201. The next prime is 146663561273. The reversal of 146663561249 is 942165366641.

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

It is a cyclic number.

It is not a de Polignac number, because 146663561249 - 2²⁰ = 146662512673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146663561249.

It is not an unprimeable number, because it can be changed into a prime (146663561299) 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, 439037 + ... + 697194.

It is an arithmetic number, because the mean of its divisors is an integer number (18969393240).

Almost surely, 2^146663561249 is an apocalyptic number.

It is an amenable number.

146663561249 is a deficient number, since it is larger than the sum of its proper divisors (5091584671).

146663561249 is a wasteful number, since it uses less digits than its factorization.

146663561249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140711.

The product of its digits is 5598720, while the sum is 53.

The spelling of 146663561249 in words is "one hundred forty-six billion, six hundred sixty-three million, five hundred sixty-one thousand, two hundred forty-nine".