201120165164 has 12 divisors (see below), whose sum is σ = 355445045088. Its totient is φ = 99564438000.

The previous prime is 201120165119. The next prime is 201120165179. The reversal of 201120165164 is 461561021102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248910692 + ... + 248911499.

It is an arithmetic number, because the mean of its divisors is an integer number (29620420424).

Almost surely, 2^201120165164 is an apocalyptic number.

It is an amenable number.

201120165164 is a deficient number, since it is larger than the sum of its proper divisors (154324879924).

201120165164 is a wasteful number, since it uses less digits than its factorization.

201120165164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497822296 (or 497822294 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 201120165164 its reverse (461561021102), we get a palindrome (662681186266).

The spelling of 201120165164 in words is "two hundred one billion, one hundred twenty million, one hundred sixty-five thousand, one hundred sixty-four".