146363356521 has 12 divisors (see below), whose sum is σ = 211418217972. Its totient is φ = 97573502976.

The previous prime is 146363356501. The next prime is 146363356591. The reversal of 146363356521 is 125653363641.

146363356521 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 63 + 3 + 565 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124499594025 + 21863762496 = 352845^2 + 147864^2 .

It is not a de Polignac number, because 146363356521 - 2⁶ = 146363356457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146363356501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363625 + ... + 651881.

It is an arithmetic number, because the mean of its divisors is an integer number (17618184831).

Almost surely, 2^146363356521 is an apocalyptic number.

It is an amenable number.

146363356521 is a deficient number, since it is larger than the sum of its proper divisors (65054861451).

146363356521 is a wasteful number, since it uses less digits than its factorization.

146363356521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344680 (or 344677 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 146363356521 in words is "one hundred forty-six billion, three hundred sixty-three million, three hundred fifty-six thousand, five hundred twenty-one".