2251216506346 has 8 divisors (see below), whose sum is σ = 3377546471520. Its totient is φ = 1125367682508.

The previous prime is 2251216506317. The next prime is 2251216506359. The reversal of 2251216506346 is 6436056121522.

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

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, 120273636 + ... + 120292351.

It is an arithmetic number, because the mean of its divisors is an integer number (422193308940).

Almost surely, 2^{2251216506346} is an apocalyptic number.

2251216506346 is a deficient number, since it is larger than the sum of its proper divisors (1126329965174).

2251216506346 is a wasteful number, since it uses less digits than its factorization.

2251216506346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240570668.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2251216506346 in words is "two trillion, two hundred fifty-one billion, two hundred sixteen million, five hundred six thousand, three hundred forty-six".