216370066746 has 8 divisors (see below), whose sum is σ = 432740133504. Its totient is φ = 72123355580.

The previous prime is 216370066739. The next prime is 216370066747. The reversal of 216370066746 is 647660073612.

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

216370066746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 216370066695 and 216370066704.

It is not an unprimeable number, because it can be changed into a prime (216370066747) 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 3 ways as a sum of consecutive naturals, for example, 18030838890 + ... + 18030838901.

It is an arithmetic number, because the mean of its divisors is an integer number (54092516688).

Almost surely, 2^216370066746 is an apocalyptic number.

216370066746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216370066746 is a wasteful number, since it uses less digits than its factorization.

216370066746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36061677796.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 216370066746 in words is "two hundred sixteen billion, three hundred seventy million, sixty-six thousand, seven hundred forty-six".