6445253162 has 16 divisors (see below), whose sum is σ = 9910052352. Its totient is φ = 3142409040.

The previous prime is 6445253159. The next prime is 6445253233. The reversal of 6445253162 is 2613525446.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101033 + ... + 151980.

It is an arithmetic number, because the mean of its divisors is an integer number (619378272).

Almost surely, 2^6445253162 is an apocalyptic number.

6445253162 is a deficient number, since it is larger than the sum of its proper divisors (3464799190).

6445253162 is a wasteful number, since it uses less digits than its factorization.

6445253162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253333.

The product of its digits is 172800, while the sum is 38.

The square root of 6445253162 is about 80282.3340592437. The cubic root of 6445253162 is about 1861.0012301287.

The spelling of 6445253162 in words is "six billion, four hundred forty-five million, two hundred fifty-three thousand, one hundred sixty-two".