11605151166 has 16 divisors (see below), whose sum is σ = 26526059904. Its totient is φ = 3315757464.

The previous prime is 11605151111. The next prime is 11605151179. The reversal of 11605151166 is 66115150611.

It is a super-2 number, since 2×11605151166² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138156520 + ... + 138156603.

It is an arithmetic number, because the mean of its divisors is an integer number (1657878744).

Almost surely, 2^11605151166 is an apocalyptic number.

11605151166 is an abundant number, since it is smaller than the sum of its proper divisors (14920908738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11605151166 is a wasteful number, since it uses less digits than its factorization.

11605151166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276313135.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 11605151166 in words is "eleven billion, six hundred five million, one hundred fifty-one thousand, one hundred sixty-six".