169890147444151 has 2 divisors, whose sum is σ = 169890147444152. Its totient is φ = 169890147444150.

The previous prime is 169890147444097. The next prime is 169890147444211. The reversal of 169890147444151 is 151444741098961.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (151444741098961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169890147444151 - 2²³ = 169890139055543 is a prime.

It is a super-2 number, since 2×169890147444151² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169890147544151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84945073722075 + 84945073722076.

It is an arithmetic number, because the mean of its divisors is an integer number (84945073722076).

Almost surely, 2^{169890147444151} is an apocalyptic number.

169890147444151 is a deficient number, since it is larger than the sum of its proper divisors (1).

169890147444151 is an equidigital number, since it uses as much as digits as its factorization.

169890147444151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 169890147444151 in words is "one hundred sixty-nine trillion, eight hundred ninety billion, one hundred forty-seven million, four hundred forty-four thousand, one hundred fifty-one".