16661052115024 has 10 divisors (see below), whose sum is σ = 32280788472890. Its totient is φ = 8330526057504.

The previous prime is 16661052115013. The next prime is 16661052115039. The reversal of 16661052115024 is 42051125016661.

It can be written as a sum of positive squares in only one way, i.e., 8593293570624 + 8067758544400 = 2931432^2 + 2840380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520657878579 + ... + 520657878610.

It is an arithmetic number, because the mean of its divisors is an integer number (3228078847289).

Almost surely, 2^{16661052115024} is an apocalyptic number.

It is an amenable number.

16661052115024 is a deficient number, since it is larger than the sum of its proper divisors (15619736357866).

16661052115024 is a wasteful number, since it uses less digits than its factorization.

16661052115024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041315757197 (or 1041315757191 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 16661052115024 in words is "sixteen trillion, six hundred sixty-one billion, fifty-two million, one hundred fifteen thousand, twenty-four".