1776225722066 has 8 divisors (see below), whose sum is σ = 2664351892224. Its totient is φ = 888108424660.

The previous prime is 1776225722059. The next prime is 1776225722071. The reversal of 1776225722066 is 6602275226771.

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

It is a junction number, because it is equal to n+sod(n) for n = 1776225721999 and 1776225722017.

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, 1692830 + ... + 2533401.

It is an arithmetic number, because the mean of its divisors is an integer number (333043986528).

Almost surely, 2^{1776225722066} is an apocalyptic number.

1776225722066 is a deficient number, since it is larger than the sum of its proper divisors (888126170158).

1776225722066 is a wasteful number, since it uses less digits than its factorization.

1776225722066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436376.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 1776225722066 in words is "one trillion, seven hundred seventy-six billion, two hundred twenty-five million, seven hundred twenty-two thousand, sixty-six".