159067640 has 32 divisors (see below), whose sum is σ = 378956880. Its totient is φ = 59884032.

The previous prime is 159067631. The next prime is 159067663. The reversal of 159067640 is 46760951.

It is a junction number, because it is equal to n+sod(n) for n = 159067594 and 159067603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116282 + ... + 117641.

Almost surely, 2^159067640 is an apocalyptic number.

159067640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159067640 is an abundant number, since it is smaller than the sum of its proper divisors (219889240).

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

159067640 is a wasteful number, since it uses less digits than its factorization.

159067640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233951 (or 233947 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 159067640 is about 12612.2020281948. The cubic root of 159067640 is about 541.8269623683.

The spelling of 159067640 in words is "one hundred fifty-nine million, sixty-seven thousand, six hundred forty".