11166461645 has 16 divisors (see below), whose sum is σ = 14244527808. Its totient is φ = 8374176000.

The previous prime is 11166461641. The next prime is 11166461699. The reversal of 11166461645 is 54616466111.

It is not a de Polignac number, because 11166461645 - 2² = 11166461641 is a prime.

It is a super-3 number, since 3×11166461645³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166461641) 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, 240359 + ... + 283028.

It is an arithmetic number, because the mean of its divisors is an integer number (890282988).

Almost surely, 2^11166461645 is an apocalyptic number.

It is an amenable number.

11166461645 is a deficient number, since it is larger than the sum of its proper divisors (3078066163).

11166461645 is a wasteful number, since it uses less digits than its factorization.

11166461645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523660.

The product of its digits is 103680, while the sum is 41.

The spelling of 11166461645 in words is "eleven billion, one hundred sixty-six million, four hundred sixty-one thousand, six hundred forty-five".