201641134405 has 16 divisors (see below), whose sum is σ = 243270525168. Its totient is φ = 160447104000.

The previous prime is 201641134361. The next prime is 201641134411. The reversal of 201641134405 is 504431146102.

It can be written as a sum of positive squares in 8 ways, for example, as 1848226081 + 199792908324 = 42991^2 + 446982^2 .

It is not a de Polignac number, because 201641134405 - 2⁹ = 201641133893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887395 + ... + 1091215.

It is an arithmetic number, because the mean of its divisors is an integer number (15204407823).

Almost surely, 2^201641134405 is an apocalyptic number.

It is an amenable number.

201641134405 is a deficient number, since it is larger than the sum of its proper divisors (41629390763).

201641134405 is a wasteful number, since it uses less digits than its factorization.

201641134405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204888.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 201641134405 in words is "two hundred one billion, six hundred forty-one million, one hundred thirty-four thousand, four hundred five".