1641407954 has 16 divisors (see below), whose sum is σ = 2547689760. Its totient is φ = 792607200.

The previous prime is 1641407941. The next prime is 1641408007. The reversal of 1641407954 is 4597041461.

It is a super-2 number, since 2×1641407954² = 5388440142908932232, which contains 22 as substring.

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, 99572 + ... + 114879.

It is an arithmetic number, because the mean of its divisors is an integer number (159230610).

Almost surely, 2^1641407954 is an apocalyptic number.

1641407954 is a deficient number, since it is larger than the sum of its proper divisors (906281806).

1641407954 is a wasteful number, since it uses less digits than its factorization.

1641407954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214585.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1641407954 is about 40514.2932062254. The cubic root of 1641407954 is about 1179.6110836476.

The spelling of 1641407954 in words is "one billion, six hundred forty-one million, four hundred seven thousand, nine hundred fifty-four".