16661130240134 has 32 divisors (see below), whose sum is σ = 26402939539200. Its totient is φ = 7863394096800.

The previous prime is 16661130240089. The next prime is 16661130240253. The reversal of 16661130240134 is 43104203116661.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 12033359 + ... + 13346309.

It is an arithmetic number, because the mean of its divisors is an integer number (825091860600).

Almost surely, 2^{16661130240134} is an apocalyptic number.

16661130240134 is a deficient number, since it is larger than the sum of its proper divisors (9741809299066).

16661130240134 is a wasteful number, since it uses less digits than its factorization.

16661130240134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314188.

The product of its (nonzero) digits is 62208, while the sum is 38.

Adding to 16661130240134 its reverse (43104203116661), we get a palindrome (59765333356795).

The spelling of 16661130240134 in words is "sixteen trillion, six hundred sixty-one billion, one hundred thirty million, two hundred forty thousand, one hundred thirty-four".