216150404 has 6 divisors (see below), whose sum is σ = 378263214. Its totient is φ = 108075200.

The previous prime is 216150397. The next prime is 216150409. The reversal of 216150404 is 404051612.

It can be written as a sum of positive squares in only one way, i.e., 216148804 + 1600 = 14702^2 + 40^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 216150404.

It is not an unprimeable number, because it can be changed into a prime (216150409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27018797 + ... + 27018804.

It is an arithmetic number, because the mean of its divisors is an integer number (63043869).

Almost surely, 2^216150404 is an apocalyptic number.

It is an amenable number.

216150404 is a deficient number, since it is larger than the sum of its proper divisors (162112810).

216150404 is a wasteful number, since it uses less digits than its factorization.

216150404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54037605 (or 54037603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 216150404 is about 14702.0544142647. The cubic root of 216150404 is about 600.1392306518.

The spelling of 216150404 in words is "two hundred sixteen million, one hundred fifty thousand, four hundred four".