146855638656 has 112 divisors (see below), whose sum is σ = 438645569010. Its totient is φ = 48951848448.

The previous prime is 146855638627. The next prime is 146855638661. The reversal of 146855638656 is 656836558641.

146855638656 is a `hidden beast` number, since 1 + 4 + 6 + 8 + 5 + 563 + 8 + 65 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111946453056 + 34909185600 = 334584^2 + 186840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146855638593 and 146855638602.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 693595 + ... + 880218.

Almost surely, 2^146855638656 is an apocalyptic number.

146855638656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146855638656 is an abundant number, since it is smaller than the sum of its proper divisors (291789930354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146855638656 is an frugal number, since it uses more digits than its factorization.

146855638656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573845 (or 1573818 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 63.

The spelling of 146855638656 in words is "one hundred forty-six billion, eight hundred fifty-five million, six hundred thirty-eight thousand, six hundred fifty-six".