158199616679 has 32 divisors (see below), whose sum is σ = 177354940224. Its totient is φ = 140164577280.

The previous prime is 158199616661. The next prime is 158199616709. The reversal of 158199616679 is 976616991851.

It is not a de Polignac number, because 158199616679 - 2¹⁶ = 158199551143 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 (158199616649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63866189 + ... + 63868665.

It is an arithmetic number, because the mean of its divisors is an integer number (5542341882).

Almost surely, 2^158199616679 is an apocalyptic number.

158199616679 is a deficient number, since it is larger than the sum of its proper divisors (19155323545).

158199616679 is a wasteful number, since it uses less digits than its factorization.

158199616679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its digits is 44089920, while the sum is 68.

The spelling of 158199616679 in words is "one hundred fifty-eight billion, one hundred ninety-nine million, six hundred sixteen thousand, six hundred seventy-nine".