2216146378246 has 8 divisors (see below), whose sum is σ = 3324312537840. Its totient is φ = 1108042198968.

The previous prime is 2216146378181. The next prime is 2216146378283. The reversal of 2216146378246 is 6428736416122.

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

It is a super-2 number, since 2×2216146378246² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216146378193 and 2216146378202.

It is a congruent number.

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, 15405586 + ... + 15548773.

It is an arithmetic number, because the mean of its divisors is an integer number (415539067230).

Almost surely, 2^{2216146378246} is an apocalyptic number.

2216146378246 is a deficient number, since it is larger than the sum of its proper divisors (1108166159594).

2216146378246 is a wasteful number, since it uses less digits than its factorization.

2216146378246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30990158.

The product of its digits is 4644864, while the sum is 52.

The spelling of 2216146378246 in words is "two trillion, two hundred sixteen billion, one hundred forty-six million, three hundred seventy-eight thousand, two hundred forty-six".