216183323258650 has 48 divisors (see below), whose sum is σ = 448856909363808. Its totient is φ = 76783928760000.

The previous prime is 216183323258603. The next prime is 216183323258681. The reversal of 216183323258650 is 56852323381612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 216183323258591 and 216183323258600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4570448301 + ... + 4570495600.

It is an arithmetic number, because the mean of its divisors is an integer number (9351185611746).

Almost surely, 2^{216183323258650} is an apocalyptic number.

216183323258650 is an abundant number, since it is smaller than the sum of its proper divisors (232673586105158).

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

216183323258650 is a wasteful number, since it uses less digits than its factorization.

216183323258650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140943967 (or 9140943962 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 216183323258650 in words is "two hundred sixteen trillion, one hundred eighty-three billion, three hundred twenty-three million, two hundred fifty-eight thousand, six hundred fifty".