11606016645 has 12 divisors (see below), whose sum is σ = 20117095596. Its totient is φ = 6189875520.

The previous prime is 11606016641. The next prime is 11606016689. The reversal of 11606016645 is 54661060611.

It is a happy number.

11606016645 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 6 + 0 + 1 + 6 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4079760129 + 7526256516 = 63873^2 + 86754^2 .

It is not a de Polignac number, because 11606016645 - 2² = 11606016641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606016641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128955696 + ... + 128955785.

It is an arithmetic number, because the mean of its divisors is an integer number (1676424633).

Almost surely, 2^11606016645 is an apocalyptic number.

11606016645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11606016645 is a deficient number, since it is larger than the sum of its proper divisors (8511078951).

11606016645 is a wasteful number, since it uses less digits than its factorization.

11606016645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257911492 (or 257911489 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 11606016645 in words is "eleven billion, six hundred six million, sixteen thousand, six hundred forty-five".