215116319 has 8 divisors (see below), whose sum is σ = 234800208. Its totient is φ = 195453760.

The previous prime is 215116303. The next prime is 215116339. The reversal of 215116319 is 913611512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215116319 - 2⁴ = 215116303 is a prime.

It is a super-2 number, since 2×215116319² = 92550061400219522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215116291 and 215116300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215116339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21779 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (29350026).

Almost surely, 2^215116319 is an apocalyptic number.

215116319 is a deficient number, since it is larger than the sum of its proper divisors (19683889).

215116319 is a wasteful number, since it uses less digits than its factorization.

215116319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665.

The product of its digits is 1620, while the sum is 29.

The square root of 215116319 is about 14666.8442072588. The cubic root of 215116319 is about 599.1806584936.

The spelling of 215116319 in words is "two hundred fifteen million, one hundred sixteen thousand, three hundred nineteen".