201606630354 has 12 divisors (see below), whose sum is σ = 436814365806. Its totient is φ = 67202210112.

The previous prime is 201606630319. The next prime is 201606630389. The reversal of 201606630354 is 453036606102.

201606630354 is a `hidden beast` number, since 2 + 0 + 16 + 0 + 6 + 630 + 3 + 5 + 4 = 666.

201606630354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201606630319) and next prime (201606630389).

It can be written as a sum of positive squares in only one way, i.e., 180646250625 + 20960379729 = 425025^2 + 144777^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5600184159 + ... + 5600184194.

Almost surely, 2^201606630354 is an apocalyptic number.

201606630354 is an abundant number, since it is smaller than the sum of its proper divisors (235207735452).

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

201606630354 is a wasteful number, since it uses less digits than its factorization.

201606630354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200368361 (or 11200368358 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 201606630354 in words is "two hundred one billion, six hundred six million, six hundred thirty thousand, three hundred fifty-four".