5406672166 has 32 divisors (see below), whose sum is σ = 9685969920. Its totient is φ = 2215092096.

The previous prime is 5406672143. The next prime is 5406672247. The reversal of 5406672166 is 6612766045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67251 + ... + 123838.

It is an arithmetic number, because the mean of its divisors is an integer number (302686560).

Almost surely, 2^5406672166 is an apocalyptic number.

5406672166 is a deficient number, since it is larger than the sum of its proper divisors (4279297754).

5406672166 is a wasteful number, since it uses less digits than its factorization.

5406672166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191188.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 5406672166 is about 73530.0766081472. The cubic root of 5406672166 is about 1755.1329207800.

The spelling of 5406672166 in words is "five billion, four hundred six million, six hundred seventy-two thousand, one hundred sixty-six".