146220655120625 has 20 divisors (see below), whose sum is σ = 182795051459328. Its totient is φ = 116926766850000.

The previous prime is 146220655120583. The next prime is 146220655120633. The reversal of 146220655120625 is 526021556022641.

It is a de Polignac number, because none of the positive numbers 2^k-146220655120625 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146220655120625.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48286697 + ... + 51225446.

Almost surely, 2^{146220655120625} is an apocalyptic number.

It is an amenable number.

146220655120625 is a deficient number, since it is larger than the sum of its proper divisors (36574396338703).

146220655120625 is an frugal number, since it uses more digits than its factorization.

146220655120625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99514514 (or 99514499 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 146220655120625 in words is "one hundred forty-six trillion, two hundred twenty billion, six hundred fifty-five million, one hundred twenty thousand, six hundred twenty-five".