193261164 has 12 divisors (see below), whose sum is σ = 450942744. Its totient is φ = 64420384.

The previous prime is 193261163. The next prime is 193261169. The reversal of 193261164 is 461162391.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (193261163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8052537 + ... + 8052560.

It is an arithmetic number, because the mean of its divisors is an integer number (37578562).

Almost surely, 2^193261164 is an apocalyptic number.

It is an amenable number.

193261164 is an abundant number, since it is smaller than the sum of its proper divisors (257681580).

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

193261164 is a wasteful number, since it uses less digits than its factorization.

193261164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105104 (or 16105102 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 193261164 is about 13901.8403098295. The cubic root of 193261164 is about 578.1602067052.

The spelling of 193261164 in words is "one hundred ninety-three million, two hundred sixty-one thousand, one hundred sixty-four".