158971205479 has 8 divisors (see below), whose sum is σ = 164950900688. Its totient is φ = 153080098560.

The previous prime is 158971205461. The next prime is 158971205527. The reversal of 158971205479 is 974502179851.

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

It is a cyclic number.

It is not a de Polignac number, because 158971205479 - 2²¹ = 158969108327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158971205779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22143417 + ... + 22150594.

It is an arithmetic number, because the mean of its divisors is an integer number (20618862586).

Almost surely, 2^158971205479 is an apocalyptic number.

158971205479 is a deficient number, since it is larger than the sum of its proper divisors (5979695209).

158971205479 is an equidigital number, since it uses as much as digits as its factorization.

158971205479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44294145.

The product of its (nonzero) digits is 6350400, while the sum is 58.

The spelling of 158971205479 in words is "one hundred fifty-eight billion, nine hundred seventy-one million, two hundred five thousand, four hundred seventy-nine".