1641851041 has 8 divisors (see below), whose sum is σ = 1738848384. Its totient is φ = 1544900160.

The previous prime is 1641851017. The next prime is 1641851053. The reversal of 1641851041 is 1401581461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1641851041 - 2¹⁵ = 1641818273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641850994 and 1641851012.

It is not an unprimeable number, because it can be changed into a prime (1641852041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83436 + ... + 101218.

It is an arithmetic number, because the mean of its divisors is an integer number (217356048).

Almost surely, 2^1641851041 is an apocalyptic number.

It is an amenable number.

1641851041 is a deficient number, since it is larger than the sum of its proper divisors (96997343).

1641851041 is a wasteful number, since it uses less digits than its factorization.

1641851041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23231.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1641851041 is about 40519.7611172623. The cubic root of 1641851041 is about 1179.7172167820.

The spelling of 1641851041 in words is "one billion, six hundred forty-one million, eight hundred fifty-one thousand, forty-one".