11661416103 has 16 divisors (see below), whose sum is σ = 16441592832. Its totient is φ = 7339992000.

The previous prime is 11661416077. The next prime is 11661416111. The reversal of 11661416103 is 30161416611.

It is not a de Polignac number, because 11661416103 - 2⁸ = 11661415847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661416153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525353 + ... + 1532978.

It is an arithmetic number, because the mean of its divisors is an integer number (1027599552).

Almost surely, 2^11661416103 is an apocalyptic number.

11661416103 is a deficient number, since it is larger than the sum of its proper divisors (4780176729).

11661416103 is a wasteful number, since it uses less digits than its factorization.

11661416103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058406.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 11661416103 in words is "eleven billion, six hundred sixty-one million, four hundred sixteen thousand, one hundred three".