216002697 has 16 divisors (see below), whose sum is σ = 320996160. Its totient is φ = 128397312.

The previous prime is 216002671. The next prime is 216002711. The reversal of 216002697 is 796200612.

It is not a de Polignac number, because 216002697 - 2¹⁰ = 216001673 is a prime.

It is a super-2 number, since 2×216002697² = 93314330222547618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216002617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110488 + ... + 112425.

It is an arithmetic number, because the mean of its divisors is an integer number (20062260).

Almost surely, 2^216002697 is an apocalyptic number.

It is an amenable number.

216002697 is a deficient number, since it is larger than the sum of its proper divisors (104993463).

216002697 is a wasteful number, since it uses less digits than its factorization.

216002697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222952.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 216002697 is about 14697.0302102159. The cubic root of 216002697 is about 600.0024972118.

The spelling of 216002697 in words is "two hundred sixteen million, two thousand, six hundred ninety-seven".