216314154 has 48 divisors (see below), whose sum is σ = 567148608. Its totient is φ = 58167936.

The previous prime is 216314117. The next prime is 216314179. The reversal of 216314154 is 451413612.

It is a happy number.

216314154 is a `hidden beast` number, since 21 + 631 + 4 + 1 + 5 + 4 = 666.

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 in 23 ways as a sum of consecutive naturals, for example, 48352 + ... + 52635.

It is an arithmetic number, because the mean of its divisors is an integer number (11815596).

Almost surely, 2^216314154 is an apocalyptic number.

216314154 is an abundant number, since it is smaller than the sum of its proper divisors (350834454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216314154 is a wasteful number, since it uses less digits than its factorization.

216314154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101019 (or 101016 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 216314154 is about 14707.6223095373. The cubic root of 216314154 is about 600.2907424253.

Adding to 216314154 its reverse (451413612), we get a palindrome (667727766).

The spelling of 216314154 in words is "two hundred sixteen million, three hundred fourteen thousand, one hundred fifty-four".