158126346677 has 4 divisors (see below), whose sum is σ = 170289911820. Its totient is φ = 145962781536.

The previous prime is 158126346661. The next prime is 158126346737. The reversal of 158126346677 is 776643621851.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57734958961 + 100391387716 = 240281^2 + 316846^2 .

It is not a de Polignac number, because 158126346677 - 2⁴ = 158126346661 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 (158126346577) 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, 6081782552 + ... + 6081782577.

It is an arithmetic number, because the mean of its divisors is an integer number (42572477955).

Almost surely, 2^158126346677 is an apocalyptic number.

It is an amenable number.

158126346677 is a deficient number, since it is larger than the sum of its proper divisors (12163565143).

158126346677 is a wasteful number, since it uses less digits than its factorization.

158126346677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163565142.

The product of its digits is 10160640, while the sum is 56.

The spelling of 158126346677 in words is "one hundred fifty-eight billion, one hundred twenty-six million, three hundred forty-six thousand, six hundred seventy-seven".