1641834117 has 84 divisors (see below), whose sum is σ = 3093452320. Its totient is φ = 852580080.

The previous prime is 1641834113. The next prime is 1641834119. The reversal of 1641834117 is 7114381461.

1641834117 is a `hidden beast` number, since 1 + 64 + 183 + 411 + 7 = 666.

It is not a de Polignac number, because 1641834117 - 2² = 1641834113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641834113) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 616134 + ... + 618792.

Almost surely, 2^1641834117 is an apocalyptic number.

It is an amenable number.

1641834117 is a deficient number, since it is larger than the sum of its proper divisors (1451618203).

1641834117 is an equidigital number, since it uses as much as digits as its factorization.

1641834117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2680 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1641834117 is about 40519.5522803498. The cubic root of 1641834117 is about 1179.7131633077.

The spelling of 1641834117 in words is "one billion, six hundred forty-one million, eight hundred thirty-four thousand, one hundred seventeen".