216158005 has 16 divisors (see below), whose sum is σ = 301472640. Its totient is φ = 145708992.

The previous prime is 216157999. The next prime is 216158011. The reversal of 216158005 is 500851612.

It is an interprime number because it is at equal distance from previous prime (216157999) and next prime (216158011).

It is a cyclic number.

It is not a de Polignac number, because 216158005 - 2⁵ = 216157973 is a prime.

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, 50274 + ... + 54403.

It is an arithmetic number, because the mean of its divisors is an integer number (18842040).

Almost surely, 2^216158005 is an apocalyptic number.

It is an amenable number.

216158005 is a deficient number, since it is larger than the sum of its proper divisors (85314635).

216158005 is a wasteful number, since it uses less digits than its factorization.

216158005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104748.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 216158005 is about 14702.3129132800. The cubic root of 216158005 is about 600.1462652671.

The spelling of 216158005 in words is "two hundred sixteen million, one hundred fifty-eight thousand, five".