653201166 has 32 divisors (see below), whose sum is σ = 1390458528. Its totient is φ = 203857920.

The previous prime is 653201161. The next prime is 653201231. The reversal of 653201166 is 661102356.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653201161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 36276.

It is an arithmetic number, because the mean of its divisors is an integer number (43451829).

Almost surely, 2^653201166 is an apocalyptic number.

653201166 is an abundant number, since it is smaller than the sum of its proper divisors (737257362).

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

653201166 is a wasteful number, since it uses less digits than its factorization.

653201166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33396.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 653201166 is about 25557.8004922176. The cubic root of 653201166 is about 867.6588158048.

The spelling of 653201166 in words is "six hundred fifty-three million, two hundred one thousand, one hundred sixty-six".