16401504130066 has 16 divisors (see below), whose sum is σ = 26844181102368. Its totient is φ = 7453741327200.

The previous prime is 16401504130049. The next prime is 16401504130069. The reversal of 16401504130066 is 66003140510461.

It is not an unprimeable number, because it can be changed into a prime (16401504130069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74278395 + ... + 74498878.

It is an arithmetic number, because the mean of its divisors is an integer number (1677761318898).

Almost surely, 2^{16401504130066} is an apocalyptic number.

16401504130066 is a deficient number, since it is larger than the sum of its proper divisors (10442676972302).

16401504130066 is a wasteful number, since it uses less digits than its factorization.

16401504130066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148782297.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16401504130066 in words is "sixteen trillion, four hundred one billion, five hundred four million, one hundred thirty thousand, sixty-six".