159960551 has 2 divisors, whose sum is σ = 159960552. Its totient is φ = 159960550.

The previous prime is 159960547. The next prime is 159960571. The reversal of 159960551 is 155069951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159960551 - 2² = 159960547 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159960499 and 159960508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159960571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79980275 + 79980276.

It is an arithmetic number, because the mean of its divisors is an integer number (79980276).

Almost surely, 2^159960551 is an apocalyptic number.

159960551 is a deficient number, since it is larger than the sum of its proper divisors (1).

159960551 is an equidigital number, since it uses as much as digits as its factorization.

159960551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 41.

The square root of 159960551 is about 12647.5511859016. The cubic root of 159960551 is about 542.8389025430.

The spelling of 159960551 in words is "one hundred fifty-nine million, nine hundred sixty thousand, five hundred fifty-one".