408216167 has 4 divisors (see below), whose sum is σ = 425964720. Its totient is φ = 390467616.

The previous prime is 408216119. The next prime is 408216169. The reversal of 408216167 is 761612804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 408216167 - 2¹² = 408212071 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 (408216169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8874242 + ... + 8874287.

It is an arithmetic number, because the mean of its divisors is an integer number (106491180).

Almost surely, 2^408216167 is an apocalyptic number.

408216167 is a deficient number, since it is larger than the sum of its proper divisors (17748553).

408216167 is a wasteful number, since it uses less digits than its factorization.

408216167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748552.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 408216167 is about 20204.3600987510. The cubic root of 408216167 is about 741.8169176775.

The spelling of 408216167 in words is "four hundred eight million, two hundred sixteen thousand, one hundred sixty-seven".