159158061 has 64 divisors (see below), whose sum is σ = 258048000. Its totient is φ = 96707520.

The previous prime is 159158059. The next prime is 159158081. The reversal of 159158061 is 160851951.

159158061 is a `hidden beast` number, since 1 + 591 + 5 + 8 + 0 + 61 = 666.

It is not a de Polignac number, because 159158061 - 2¹ = 159158059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159158081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1917526 + ... + 1917608.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^159158061 is an apocalyptic number.

It is an amenable number.

159158061 is a deficient number, since it is larger than the sum of its proper divisors (98889939).

159158061 is a wasteful number, since it uses less digits than its factorization.

159158061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 159158061 is about 12615.7861823986. The cubic root of 159158061 is about 541.9296089647.

The spelling of 159158061 in words is "one hundred fifty-nine million, one hundred fifty-eight thousand, sixty-one".