158157161303266 has 8 divisors (see below), whose sum is σ = 245416284781020. Its totient is φ = 76351733042928.

The previous prime is 158157161303209. The next prime is 158157161303377. The reversal of 158157161303266 is 662303161751851.

It can be written as a sum of positive squares in 2 ways, for example, as 151026280025625 + 7130881277641 = 12289275^2 + 2670371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363423804281 + ... + 1363423804396.

Almost surely, 2^{158157161303266} is an apocalyptic number.

158157161303266 is a deficient number, since it is larger than the sum of its proper divisors (87259123477754).

158157161303266 is a wasteful number, since it uses less digits than its factorization.

158157161303266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726847608708.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 158157161303266 in words is "one hundred fifty-eight trillion, one hundred fifty-seven billion, one hundred sixty-one million, three hundred three thousand, two hundred sixty-six".