16040166545090 has 16 divisors (see below), whose sum is σ = 29867896325880. Its totient is φ = 6194822941440.

The previous prime is 16040166545083. The next prime is 16040166545107. The reversal of 16040166545090 is 9054566104061.

It can be written as a sum of positive squares in 4 ways, for example, as 15447816197641 + 592350347449 = 3930371^2 + 769643^2 .

It is an unprimeable number.

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, 27655459271 + ... + 27655459850.

Almost surely, 2^{16040166545090} is an apocalyptic number.

16040166545090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16040166545090 is a deficient number, since it is larger than the sum of its proper divisors (13827729780790).

16040166545090 is a wasteful number, since it uses less digits than its factorization.

16040166545090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55310919157.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 16040166545090 in words is "sixteen trillion, forty billion, one hundred sixty-six million, five hundred forty-five thousand, ninety".