216364552145 has 24 divisors (see below), whose sum is σ = 302627876544. Its totient is φ = 148069221216.

The previous prime is 216364552127. The next prime is 216364552147. The reversal of 216364552145 is 541255463612.

It is not a de Polignac number, because 216364552145 - 2⁸ = 216364551889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216364552096 and 216364552105.

It is not an unprimeable number, because it can be changed into a prime (216364552147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754619 + ... + 1001088.

It is an arithmetic number, because the mean of its divisors is an integer number (12609494856).

Almost surely, 2^216364552145 is an apocalyptic number.

It is an amenable number.

216364552145 is a deficient number, since it is larger than the sum of its proper divisors (86263324399).

216364552145 is a wasteful number, since it uses less digits than its factorization.

216364552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756229 (or 1756222 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 216364552145 in words is "two hundred sixteen billion, three hundred sixty-four million, five hundred fifty-two thousand, one hundred forty-five".