5421166407 has 32 divisors (see below), whose sum is σ = 8269803200. Its totient is φ = 3507318144.

The previous prime is 5421166381. The next prime is 5421166423. The reversal of 5421166407 is 7046611245.

5421166407 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 1 + 6 + 640 + 7 = 666.

It is not a de Polignac number, because 5421166407 - 2⁶ = 5421166343 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 (5421166007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389769 + ... + 403437.

It is an arithmetic number, because the mean of its divisors is an integer number (258431350).

Almost surely, 2^5421166407 is an apocalyptic number.

5421166407 is a deficient number, since it is larger than the sum of its proper divisors (2848636793).

5421166407 is a wasteful number, since it uses less digits than its factorization.

5421166407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112 (or 14106 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5421166407 is about 73628.5705891402. The cubic root of 5421166407 is about 1756.6999118315.

The spelling of 5421166407 in words is "five billion, four hundred twenty-one million, one hundred sixty-six thousand, four hundred seven".