4281778162166 has 32 divisors (see below), whose sum is σ = 6526928678400. Its totient is φ = 2106426184416.

The previous prime is 4281778162153. The next prime is 4281778162219. The reversal of 4281778162166 is 6612618771824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51828260 + ... + 51910808.

It is an arithmetic number, because the mean of its divisors is an integer number (203966521200).

Almost surely, 2^{4281778162166} is an apocalyptic number.

4281778162166 is a deficient number, since it is larger than the sum of its proper divisors (2245150516234).

4281778162166 is a wasteful number, since it uses less digits than its factorization.

4281778162166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84308.

The product of its digits is 10838016, while the sum is 59.

The spelling of 4281778162166 in words is "four trillion, two hundred eighty-one billion, seven hundred seventy-eight million, one hundred sixty-two thousand, one hundred sixty-six".