216082942 has 8 divisors (see below), whose sum is σ = 324247176. Its totient is φ = 108000552.

The previous prime is 216082931. The next prime is 216082967. The reversal of 216082942 is 249280612.

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

It is a junction number, because it is equal to n+sod(n) for n = 216082898 and 216082907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13368 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (40530897).

Almost surely, 2^216082942 is an apocalyptic number.

216082942 is a deficient number, since it is larger than the sum of its proper divisors (108164234).

216082942 is a wasteful number, since it uses less digits than its factorization.

216082942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40922.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 216082942 is about 14699.7599300125. The cubic root of 216082942 is about 600.0767883203.

The spelling of 216082942 in words is "two hundred sixteen million, eighty-two thousand, nine hundred forty-two".