159261743716 has 6 divisors (see below), whose sum is σ = 278708051510. Its totient is φ = 79630871856.

The previous prime is 159261743653. The next prime is 159261743723. The reversal of 159261743716 is 617347162951.

It can be written as a sum of positive squares in only one way, i.e., 116369676900 + 42892066816 = 341130^2 + 207104^2 .

It is a super-2 number, since 2×159261743716² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19907717961 + ... + 19907717968.

Almost surely, 2^159261743716 is an apocalyptic number.

It is an amenable number.

159261743716 is a deficient number, since it is larger than the sum of its proper divisors (119446307794).

159261743716 is a wasteful number, since it uses less digits than its factorization.

159261743716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39815435933 (or 39815435931 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The spelling of 159261743716 in words is "one hundred fifty-nine billion, two hundred sixty-one million, seven hundred forty-three thousand, seven hundred sixteen".