159541667 has 4 divisors (see below), whose sum is σ = 161334360. Its totient is φ = 157748976.

The previous prime is 159541631. The next prime is 159541699. The reversal of 159541667 is 766145951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766145951 = 11411 ⋅67141.

It is a cyclic number.

It is not a de Polignac number, because 159541667 - 2⁸ = 159541411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159541867) 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, 896213 + ... + 896390.

It is an arithmetic number, because the mean of its divisors is an integer number (40333590).

Almost surely, 2^159541667 is an apocalyptic number.

159541667 is a deficient number, since it is larger than the sum of its proper divisors (1792693).

159541667 is an equidigital number, since it uses as much as digits as its factorization.

159541667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792692.

The product of its digits is 226800, while the sum is 44.

The square root of 159541667 is about 12630.9804449219. The cubic root of 159541667 is about 542.3646495638.

The spelling of 159541667 in words is "one hundred fifty-nine million, five hundred forty-one thousand, six hundred sixty-seven".