216100954 has 4 divisors (see below), whose sum is σ = 324151434. Its totient is φ = 108050476.

The previous prime is 216100949. The next prime is 216100993. The reversal of 216100954 is 459001612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128210329 + 87890625 = 11323^2 + 9375^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54025237 + ... + 54025240.

Almost surely, 2^216100954 is an apocalyptic number.

216100954 is a deficient number, since it is larger than the sum of its proper divisors (108050480).

216100954 is a wasteful number, since it uses less digits than its factorization.

216100954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108050479.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 216100954 is about 14700.3725803124. The cubic root of 216100954 is about 600.0934613668.

The spelling of 216100954 in words is "two hundred sixteen million, one hundred thousand, nine hundred fifty-four".