216011607 has 32 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 116387040.

The previous prime is 216011557. The next prime is 216011669. The reversal of 216011607 is 706110612.

It is not a de Polignac number, because 216011607 - 2⁷ = 216011479 is a prime.

It is a super-2 number, since 2×216011607² = 93322028717444898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216011687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31144 + ... + 37442.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^216011607 is an apocalyptic number.

216011607 is a deficient number, since it is larger than the sum of its proper divisors (132353193).

216011607 is a wasteful number, since it uses less digits than its factorization.

216011607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 216011607 is about 14697.3333295534. Note that the first 4 decimals coincide. The cubic root of 216011607 is about 600.0107470297.

The spelling of 216011607 in words is "two hundred sixteen million, eleven thousand, six hundred seven".