10216121658 has 8 divisors (see below), whose sum is σ = 20432243328. Its totient is φ = 3405373884.

The previous prime is 10216121633. The next prime is 10216121749. The reversal of 10216121658 is 85612161201.

10216121658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

10216121658 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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, 851343466 + ... + 851343477.

It is an arithmetic number, because the mean of its divisors is an integer number (2554030416).

Almost surely, 2^10216121658 is an apocalyptic number.

10216121658 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.

10216121658 is a wasteful number, since it uses less digits than its factorization.

10216121658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702686948.

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 10216121658 its reverse (85612161201), we get a palindrome (95828282859).

The spelling of 10216121658 in words is "ten billion, two hundred sixteen million, one hundred twenty-one thousand, six hundred fifty-eight".