216496274 has 8 divisors (see below), whose sum is σ = 326737200. Its totient is φ = 107583876.

The previous prime is 216496243. The next prime is 216496289. The reversal of 216496274 is 472694612.

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

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, 331724 + ... + 332375.

It is an arithmetic number, because the mean of its divisors is an integer number (40842150).

Almost surely, 2^216496274 is an apocalyptic number.

216496274 is a deficient number, since it is larger than the sum of its proper divisors (110240926).

216496274 is a wasteful number, since it uses less digits than its factorization.

216496274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664264.

The product of its digits is 145152, while the sum is 41.

The square root of 216496274 is about 14713.8123543832. The cubic root of 216496274 is about 600.4591614912.

The spelling of 216496274 in words is "two hundred sixteen million, four hundred ninety-six thousand, two hundred seventy-four".