1641799104 has 112 divisors (see below), whose sum is σ = 4776923136. Its totient is φ = 493516800.

The previous prime is 1641799097. The next prime is 1641799129. The reversal of 1641799104 is 4019971461.

It is a super-3 number, since 3×1641799104³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265164 + ... + 271284.

Almost surely, 2^1641799104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641799104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388461568).

1641799104 is an abundant number, since it is smaller than the sum of its proper divisors (3135124032).

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

1641799104 is a wasteful number, since it uses less digits than its factorization.

1641799104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274 (or 6264 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1641799104 is about 40519.1202273692. The cubic root of 1641799104 is about 1179.7047772412.

It can be divided in two parts, 1641 and 799104, that added together give a triangular number (800745 = T₁₂₆₅).

The spelling of 1641799104 in words is "one billion, six hundred forty-one million, seven hundred ninety-nine thousand, one hundred four".