2221150166433 has 40 divisors (see below), whose sum is σ = 3638603460096. Its totient is φ = 1339103599200.

The previous prime is 2221150166381. The next prime is 2221150166437. The reversal of 2221150166433 is 3346610511222.

2221150166433 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 1 + 5 + 0 + 1 + 6 + 643 + 3 = 666.

2221150166433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221150166433 - 2²¹ = 2221148069281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221150166437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6355666 + ... + 6696027.

Almost surely, 2^{2221150166433} is an apocalyptic number.

It is an amenable number.

2221150166433 is a deficient number, since it is larger than the sum of its proper divisors (1417453293663).

2221150166433 is a wasteful number, since it uses less digits than its factorization.

2221150166433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051907 (or 13051898 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 2221150166433 its reverse (3346610511222), we get a palindrome (5567760677655).

The spelling of 2221150166433 in words is "two trillion, two hundred twenty-one billion, one hundred fifty million, one hundred sixty-six thousand, four hundred thirty-three".