1652565166 has 32 divisors (see below), whose sum is σ = 3011074560. Its totient is φ = 664441056.

The previous prime is 1652565149. The next prime is 1652565169. The reversal of 1652565166 is 6615652561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652565169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 57556.

It is an arithmetic number, because the mean of its divisors is an integer number (94096080).

Almost surely, 2^1652565166 is an apocalyptic number.

1652565166 is a deficient number, since it is larger than the sum of its proper divisors (1358509394).

1652565166 is a wasteful number, since it uses less digits than its factorization.

1652565166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60448.

The product of its digits is 324000, while the sum is 43.

The square root of 1652565166 is about 40651.7547714733. The cubic root of 1652565166 is about 1182.2777907430.

The spelling of 1652565166 in words is "one billion, six hundred fifty-two million, five hundred sixty-five thousand, one hundred sixty-six".