216207747354 has 8 divisors (see below), whose sum is σ = 432415494720. Its totient is φ = 72069249116.

The previous prime is 216207747313. The next prime is 216207747373. The reversal of 216207747354 is 453747702612.

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

216207747354 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18017312274 + ... + 18017312285.

It is an arithmetic number, because the mean of its divisors is an integer number (54051936840).

Almost surely, 2^216207747354 is an apocalyptic number.

216207747354 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.

216207747354 is a wasteful number, since it uses less digits than its factorization.

216207747354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034624564.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 216207747354 in words is "two hundred sixteen billion, two hundred seven million, seven hundred forty-seven thousand, three hundred fifty-four".