159922061 has 8 divisors (see below), whose sum is σ = 172716600. Its totient is φ = 147197952.

The previous prime is 159922051. The next prime is 159922067. The reversal of 159922061 is 160229951.

It can be written as a sum of positive squares in 4 ways, for example, as 3822025 + 156100036 = 1955^2 + 12494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159922061 - 2¹⁸ = 159659917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159922067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12836 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (21589575).

Almost surely, 2^159922061 is an apocalyptic number.

It is an amenable number.

159922061 is a deficient number, since it is larger than the sum of its proper divisors (12794539).

159922061 is a wasteful number, since it uses less digits than its factorization.

159922061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35215.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 159922061 is about 12646.0294559201. The cubic root of 159922061 is about 542.7953594209.

The spelling of 159922061 in words is "one hundred fifty-nine million, nine hundred twenty-two thousand, sixty-one".