5421253166 has 32 divisors (see below), whose sum is σ = 9916757760. Its totient is φ = 2170950336.

The previous prime is 5421253153. The next prime is 5421253177. The reversal of 5421253166 is 6613521245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120176 + ... + 159011.

It is an arithmetic number, because the mean of its divisors is an integer number (309898680).

Almost surely, 2^5421253166 is an apocalyptic number.

5421253166 is a deficient number, since it is larger than the sum of its proper divisors (4495504594).

5421253166 is a wasteful number, since it uses less digits than its factorization.

5421253166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279288.

The product of its digits is 43200, while the sum is 35.

The square root of 5421253166 is about 73629.1597534564. The cubic root of 5421253166 is about 1756.7092830444.

The spelling of 5421253166 in words is "five billion, four hundred twenty-one million, two hundred fifty-three thousand, one hundred sixty-six".