1641836746 has 32 divisors (see below), whose sum is σ = 2706048000. Its totient is φ = 740924400.

The previous prime is 1641836687. The next prime is 1641836753. The reversal of 1641836746 is 6476381461.

It is a junction number, because it is equal to n+sod(n) for n = 1641836696 and 1641836705.

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, 3290005 + ... + 3290503.

It is an arithmetic number, because the mean of its divisors is an integer number (84564000).

Almost surely, 2^1641836746 is an apocalyptic number.

1641836746 is a deficient number, since it is larger than the sum of its proper divisors (1064211254).

1641836746 is a wasteful number, since it uses less digits than its factorization.

1641836746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its digits is 580608, while the sum is 46.

The square root of 1641836746 is about 40519.5847214652. The cubic root of 1641836746 is about 1179.7137929824.

The spelling of 1641836746 in words is "one billion, six hundred forty-one million, eight hundred thirty-six thousand, seven hundred forty-six".