158167006663 has 4 divisors (see below), whose sum is σ = 158172142608. Its totient is φ = 158161870720.

The previous prime is 158167006637. The next prime is 158167006691. The reversal of 158167006663 is 366600761851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366600761851 = 739 ⋅496076809.

It is a cyclic number.

It is not a de Polignac number, because 158167006663 - 2¹⁷ = 158166875591 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158167006603) 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, 2521498 + ... + 2583463.

It is an arithmetic number, because the mean of its divisors is an integer number (39543035652).

Almost surely, 2^158167006663 is an apocalyptic number.

158167006663 is a deficient number, since it is larger than the sum of its proper divisors (5135945).

158167006663 is an equidigital number, since it uses as much as digits as its factorization.

158167006663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135944.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 158167006663 in words is "one hundred fifty-eight billion, one hundred sixty-seven million, six thousand, six hundred sixty-three".