1422666145161 has 24 divisors (see below), whose sum is σ = 2187116179560. Its totient is φ = 888028102656.

The previous prime is 1422666145139. The next prime is 1422666145171. The reversal of 1422666145161 is 1615416662241.

It can be written as a sum of positive squares in 4 ways, for example, as 179887105161 + 1242779040000 = 424131^2 + 1114800^2 .

It is not a de Polignac number, because 1422666145161 - 2⁶ = 1422666145097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422666145171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24059776 + ... + 24118833.

It is an arithmetic number, because the mean of its divisors is an integer number (91129840815).

Almost surely, 2^{1422666145161} is an apocalyptic number.

It is an amenable number.

1422666145161 is a deficient number, since it is larger than the sum of its proper divisors (764450034399).

1422666145161 is a wasteful number, since it uses less digits than its factorization.

1422666145161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48178825 (or 48178822 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 1422666145161 in words is "one trillion, four hundred twenty-two billion, six hundred sixty-six million, one hundred forty-five thousand, one hundred sixty-one".