158319306499 has 16 divisors (see below), whose sum is σ = 164531315520. Its totient is φ = 152158970880.

The previous prime is 158319306427. The next prime is 158319306547. The reversal of 158319306499 is 994603913851.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 158319306499 - 2⁹ = 158319305987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158319306419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6153927 + ... + 6179599.

It is an arithmetic number, because the mean of its divisors is an integer number (10283207220).

Almost surely, 2^158319306499 is an apocalyptic number.

158319306499 is a deficient number, since it is larger than the sum of its proper divisors (6212009021).

158319306499 is a wasteful number, since it uses less digits than its factorization.

158319306499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26670.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 158319306499 in words is "one hundred fifty-eight billion, three hundred nineteen million, three hundred six thousand, four hundred ninety-nine".