2216678748375 has 512 divisors, whose sum is σ = 4775374356480. Its totient is φ = 888516864000.

The previous prime is 2216678748359. The next prime is 2216678748421. The reversal of 2216678748375 is 5738478766122.

It is not a de Polignac number, because 2216678748375 - 2⁴ = 2216678748359 is a prime.

Its product of digits (189665280) is a multiple of the sum of its prime factors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 13599256044 + ... + 13599256206.

It is an arithmetic number, because the mean of its divisors is an integer number (9326903040).

Almost surely, 2^{2216678748375} is an apocalyptic number.

2216678748375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2216678748375 is an abundant number, since it is smaller than the sum of its proper divisors (2558695608105).

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

2216678748375 is a wasteful number, since it uses less digits than its factorization.

2216678748375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 438 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 66.

The spelling of 2216678748375 in words is "two trillion, two hundred sixteen billion, six hundred seventy-eight million, seven hundred forty-eight thousand, three hundred seventy-five".