16361213099 has 32 divisors (see below), whose sum is σ = 20856932352. Its totient is φ = 12463056000.

The previous prime is 16361213009. The next prime is 16361213107. The reversal of 16361213099 is 99031216361.

It is a cyclic number.

It is not a de Polignac number, because 16361213099 - 2¹⁶ = 16361147563 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361213009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3837629 + ... + 3841889.

It is an arithmetic number, because the mean of its divisors is an integer number (651779136).

Almost surely, 2^16361213099 is an apocalyptic number.

16361213099 is a deficient number, since it is larger than the sum of its proper divisors (4495719253).

16361213099 is a wasteful number, since it uses less digits than its factorization.

16361213099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 16361213099 in words is "sixteen billion, three hundred sixty-one million, two hundred thirteen thousand, ninety-nine".