216401162 has 8 divisors (see below), whose sum is σ = 325128000. Its totient is φ = 108025164.

The previous prime is 216401153. The next prime is 216401189. The reversal of 216401162 is 261104612.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 86162 + ... + 88637.

It is an arithmetic number, because the mean of its divisors is an integer number (40641000).

Almost surely, 2^216401162 is an apocalyptic number.

216401162 is a deficient number, since it is larger than the sum of its proper divisors (108726838).

216401162 is a wasteful number, since it uses less digits than its factorization.

216401162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175420.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 216401162 is about 14710.5799341834. The cubic root of 216401162 is about 600.3712165793.

Adding to 216401162 its reverse (261104612), we get a palindrome (477505774).

The spelling of 216401162 in words is "two hundred sixteen million, four hundred one thousand, one hundred sixty-two".