218152036 has 18 divisors (see below), whose sum is σ = 395390450. Its totient is φ = 105313152.

The previous prime is 218152031. The next prime is 218152057. The reversal of 218152036 is 630251812.

It can be written as a sum of positive squares in 3 ways, for example, as 30735936 + 187416100 = 5544^2 + 13690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 218151995 and 218152013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218152031) 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 in 5 ways as a sum of consecutive naturals, for example, 29061 + ... + 35788.

Almost surely, 2^218152036 is an apocalyptic number.

It is an amenable number.

218152036 is a deficient number, since it is larger than the sum of its proper divisors (177238414).

218152036 is a wasteful number, since it uses less digits than its factorization.

218152036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64911 (or 64880 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 218152036 is about 14769.9707514944. The cubic root of 218152036 is about 601.9860447165.

The spelling of 218152036 in words is "two hundred eighteen million, one hundred fifty-two thousand, thirty-six".