162166497453 has 12 divisors (see below), whose sum is σ = 236872413180. Its totient is φ = 106896267456.

The previous prime is 162166497443. The next prime is 162166497547. The reversal of 162166497453 is 354794661261.

It is a happy number.

162166497453 is a `hidden beast` number, since 1 + 621 + 6 + 6 + 4 + 9 + 7 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114364359684 + 47802137769 = 338178^2 + 218637^2 .

It is not a de Polignac number, because 162166497453 - 2¹⁷ = 162166366381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162166497453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162166497403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101226726 + ... + 101228327.

It is an arithmetic number, because the mean of its divisors is an integer number (19739367765).

Almost surely, 2^162166497453 is an apocalyptic number.

It is an amenable number.

162166497453 is a deficient number, since it is larger than the sum of its proper divisors (74705915727).

162166497453 is a wasteful number, since it uses less digits than its factorization.

162166497453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202455148 (or 202455145 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 162166497453 in words is "one hundred sixty-two billion, one hundred sixty-six million, four hundred ninety-seven thousand, four hundred fifty-three".