214523650816 has 144 divisors (see below), whose sum is σ = 462253052800. Its totient is φ = 99033145344.

The previous prime is 214523650807. The next prime is 214523650871. The reversal of 214523650816 is 618056325412.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129464260 + ... + 129465916.

Almost surely, 2^214523650816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214523650816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231126526400).

214523650816 is an abundant number, since it is smaller than the sum of its proper divisors (247729401984).

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

214523650816 is a wasteful number, since it uses less digits than its factorization.

214523650816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 214523650816 in words is "two hundred fourteen billion, five hundred twenty-three million, six hundred fifty thousand, eight hundred sixteen".