216153351612 has 144 divisors (see below), whose sum is σ = 648179636832. Its totient is φ = 59981783040.

The previous prime is 216153351593. The next prime is 216153351637.

216153351612 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 5 + 3 + 35 + 1 + 612 = 666.

216153351612 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184813 + ... + 682980.

It is an arithmetic number, because the mean of its divisors is an integer number (4501247478).

Almost surely, 2^216153351612 is an apocalyptic number.

216153351612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216153351612 is an abundant number, since it is smaller than the sum of its proper divisors (432026285220).

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

216153351612 is a wasteful number, since it uses less digits than its factorization.

216153351612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867868 (or 867863 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

It can be divided in two parts, 216153 and 351612, that added together give a palindrome (567765).

The spelling of 216153351612 in words is "two hundred sixteen billion, one hundred fifty-three million, three hundred fifty-one thousand, six hundred twelve".