159218072 has 16 divisors (see below), whose sum is σ = 321498240. Its totient is φ = 73485216.

The previous prime is 159218071. The next prime is 159218083. The reversal of 159218072 is 270812951.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159218071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765368 + ... + 765575.

It is an arithmetic number, because the mean of its divisors is an integer number (20093640).

Almost surely, 2^159218072 is an apocalyptic number.

It is an amenable number.

159218072 is an abundant number, since it is smaller than the sum of its proper divisors (162280168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159218072 is a wasteful number, since it uses less digits than its factorization.

159218072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530962 (or 1530958 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 159218072 is about 12618.1643672921. The cubic root of 159218072 is about 541.9977124398.

The spelling of 159218072 in words is "one hundred fifty-nine million, two hundred eighteen thousand, seventy-two".