216514515 has 16 divisors (see below), whose sum is σ = 395912448. Its totient is φ = 98978016.

The previous prime is 216514471. The next prime is 216514523. The reversal of 216514515 is 515415612.

It is not a de Polignac number, because 216514515 - 2¹⁴ = 216498131 is a prime.

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, 1030917 + ... + 1031126.

It is an arithmetic number, because the mean of its divisors is an integer number (24744528).

Almost surely, 2^216514515 is an apocalyptic number.

216514515 is a deficient number, since it is larger than the sum of its proper divisors (179397933).

216514515 is a wasteful number, since it uses less digits than its factorization.

216514515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062058.

The product of its digits is 6000, while the sum is 30.

The square root of 216514515 is about 14714.4322010739. The cubic root of 216514515 is about 600.4760250115.

The spelling of 216514515 in words is "two hundred sixteen million, five hundred fourteen thousand, five hundred fifteen".