1641135046 has 16 divisors (see below), whose sum is σ = 2521172304. Its totient is φ = 800976384.

The previous prime is 1641135029. The next prime is 1641135073. The reversal of 1641135046 is 6405311461.

It is a junction number, because it is equal to n+sod(n) for n = 1641134999 and 1641135017.

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 7 ways as a sum of consecutive naturals, for example, 43780 + ... + 72103.

It is an arithmetic number, because the mean of its divisors is an integer number (157573269).

Almost surely, 2^1641135046 is an apocalyptic number.

1641135046 is a deficient number, since it is larger than the sum of its proper divisors (880037258).

1641135046 is a wasteful number, since it uses less digits than its factorization.

1641135046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116055.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1641135046 is about 40510.9250202955. The cubic root of 1641135046 is about 1179.5457041779.

The spelling of 1641135046 in words is "one billion, six hundred forty-one million, one hundred thirty-five thousand, forty-six".