204106602360454 has 16 divisors (see below), whose sum is σ = 307108220571792. Its totient is φ = 101737581707008.

The previous prime is 204106602360433. The next prime is 204106602360473. The reversal of 204106602360454 is 454063206601402.

It is a super-2 number, since 2×204106602360454² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204106602360454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95493139 + ... + 97607134.

It is an arithmetic number, because the mean of its divisors is an integer number (19194263785737).

Almost surely, 2^{204106602360454} is an apocalyptic number.

204106602360454 is a deficient number, since it is larger than the sum of its proper divisors (103001618211338).

204106602360454 is a wasteful number, since it uses less digits than its factorization.

204106602360454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193101911.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 204106602360454 its reverse (454063206601402), we get a palindrome (658169808961856).

The spelling of 204106602360454 in words is "two hundred four trillion, one hundred six billion, six hundred two million, three hundred sixty thousand, four hundred fifty-four".