159541890674 has 8 divisors (see below), whose sum is σ = 247565002860. Its totient is φ = 77020223056.

The previous prime is 159541890671. The next prime is 159541890701. The reversal of 159541890674 is 476098145951.

It can be written as a sum of positive squares in 2 ways, for example, as 158694673225 + 847217449 = 398365^2 + 29107^2 .

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

It is a super-2 number, since 2×159541890674² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159541890671) 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, 1375361069 + ... + 1375361184.

Almost surely, 2^159541890674 is an apocalyptic number.

159541890674 is a deficient number, since it is larger than the sum of its proper divisors (88023112186).

159541890674 is a wasteful number, since it uses less digits than its factorization.

159541890674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750722284.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 159541890674 in words is "one hundred fifty-nine billion, five hundred forty-one million, eight hundred ninety thousand, six hundred seventy-four".