536643665166 has 48 divisors (see below), whose sum is σ = 1254435206400. Its totient is φ = 152600076720.

The previous prime is 536643665161. The next prime is 536643665171. The reversal of 536643665166 is 661566346635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (536643665161) and next prime (536643665171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536643665161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4263366 + ... + 4387433.

It is an arithmetic number, because the mean of its divisors is an integer number (26134066800).

Almost surely, 2^536643665166 is an apocalyptic number.

536643665166 is an abundant number, since it is smaller than the sum of its proper divisors (717791541234).

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

536643665166 is a wasteful number, since it uses less digits than its factorization.

536643665166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651029 (or 8651022 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 57.

The spelling of 536643665166 in words is "five hundred thirty-six billion, six hundred forty-three million, six hundred sixty-five thousand, one hundred sixty-six".