652665167 has 16 divisors (see below), whose sum is σ = 820449024. Its totient is φ = 508563000.

The previous prime is 652665151. The next prime is 652665193. The reversal of 652665167 is 761566256.

It is not a de Polignac number, because 652665167 - 2⁴ = 652665151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652665197) 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, 25709 + ... + 44342.

It is an arithmetic number, because the mean of its divisors is an integer number (51278064).

Almost surely, 2^652665167 is an apocalyptic number.

652665167 is a deficient number, since it is larger than the sum of its proper divisors (167783857).

652665167 is an equidigital number, since it uses as much as digits as its factorization.

652665167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70091 (or 70069 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 652665167 is about 25547.3123243914. The cubic root of 652665167 is about 867.4214251682.

The spelling of 652665167 in words is "six hundred fifty-two million, six hundred sixty-five thousand, one hundred sixty-seven".