216430115585 has 32 divisors (see below), whose sum is σ = 276328765440. Its totient is φ = 162266775552.

The previous prime is 216430115579. The next prime is 216430115591. The reversal of 216430115585 is 585511034612.

It is an interprime number because it is at equal distance from previous prime (216430115579) and next prime (216430115591).

It is not a de Polignac number, because 216430115585 - 2⁶ = 216430115521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28903712 + ... + 28911198.

It is an arithmetic number, because the mean of its divisors is an integer number (8635273920).

Almost surely, 2^216430115585 is an apocalyptic number.

It is an amenable number.

216430115585 is a deficient number, since it is larger than the sum of its proper divisors (59898649855).

216430115585 is a wasteful number, since it uses less digits than its factorization.

216430115585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 216430115585 in words is "two hundred sixteen billion, four hundred thirty million, one hundred fifteen thousand, five hundred eighty-five".