216456130 has 32 divisors (see below), whose sum is σ = 429271488. Its totient is φ = 77928000.

The previous prime is 216456061. The next prime is 216456143. The reversal of 216456130 is 31654612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369 + ... + 20851.

It is an arithmetic number, because the mean of its divisors is an integer number (13414734).

Almost surely, 2^216456130 is an apocalyptic number.

216456130 is a deficient number, since it is larger than the sum of its proper divisors (212815358).

216456130 is a wasteful number, since it uses less digits than its factorization.

216456130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 216456130 is about 14712.4481307497. The cubic root of 216456130 is about 600.4220456521.

The spelling of 216456130 in words is "two hundred sixteen million, four hundred fifty-six thousand, one hundred thirty".