1641449026 has 16 divisors (see below), whose sum is σ = 2962013760. Its totient is φ = 666452880.

The previous prime is 1641449011. The next prime is 1641449053. The reversal of 1641449026 is 6209441461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085165 + ... + 3085696.

It is an arithmetic number, because the mean of its divisors is an integer number (185125860).

Almost surely, 2^1641449026 is an apocalyptic number.

1641449026 is a deficient number, since it is larger than the sum of its proper divisors (1320564734).

1641449026 is a wasteful number, since it uses less digits than its factorization.

1641449026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170889.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1641449026 is about 40514.8000858945. The cubic root of 1641449026 is about 1179.6209224737.

The spelling of 1641449026 in words is "one billion, six hundred forty-one million, four hundred forty-nine thousand, twenty-six".