60159981 has 8 divisors (see below), whose sum is σ = 91672384. Its totient is φ = 34377120.

The previous prime is 60159941. The next prime is 60160003. The reversal of 60159981 is 18995106.

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

It is not a de Polignac number, because 60159981 - 2⁶ = 60159917 is a prime.

It is a super-2 number, since 2×60159981² = 7238446627840722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60159941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432360 + ... + 1432401.

It is an arithmetic number, because the mean of its divisors is an integer number (11459048).

Almost surely, 2^60159981 is an apocalyptic number.

It is an amenable number.

60159981 is a deficient number, since it is larger than the sum of its proper divisors (31512403).

60159981 is a wasteful number, since it uses less digits than its factorization.

60159981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864771.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 60159981 is about 7756.2865470533. The cubic root of 60159981 is about 391.8344022359.

The spelling of 60159981 in words is "sixty million, one hundred fifty-nine thousand, nine hundred eighty-one".