159897629 has 2 divisors, whose sum is σ = 159897630. Its totient is φ = 159897628.

The previous prime is 159897601. The next prime is 159897637. The reversal of 159897629 is 926798951.

159897629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130759225 + 29138404 = 11435^2 + 5398^2 .

It is a cyclic number.

It is not a de Polignac number, because 159897629 - 2¹² = 159893533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159897649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79948814 + 79948815.

It is an arithmetic number, because the mean of its divisors is an integer number (79948815).

Almost surely, 2^159897629 is an apocalyptic number.

It is an amenable number.

159897629 is a deficient number, since it is larger than the sum of its proper divisors (1).

159897629 is an equidigital number, since it uses as much as digits as its factorization.

159897629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 56.

The square root of 159897629 is about 12645.0634241193. The cubic root of 159897629 is about 542.7677162645.

The spelling of 159897629 in words is "one hundred fifty-nine million, eight hundred ninety-seven thousand, six hundred twenty-nine".