158854374661 has 2 divisors, whose sum is σ = 158854374662. Its totient is φ = 158854374660.

The previous prime is 158854374641. The next prime is 158854374683. The reversal of 158854374661 is 166473458851.

158854374661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144157661761 + 14696712900 = 379681^2 + 121230^2 .

It is a cyclic number.

It is not a de Polignac number, because 158854374661 - 2⁵ = 158854374629 is a prime.

It is a super-3 number, since 3×158854374661³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158854374596 and 158854374605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158854374641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79427187330 + 79427187331.

It is an arithmetic number, because the mean of its divisors is an integer number (79427187331).

Almost surely, 2^158854374661 is an apocalyptic number.

It is an amenable number.

158854374661 is a deficient number, since it is larger than the sum of its proper divisors (1).

158854374661 is an equidigital number, since it uses as much as digits as its factorization.

158854374661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 58.

The spelling of 158854374661 in words is "one hundred fifty-eight billion, eight hundred fifty-four million, three hundred seventy-four thousand, six hundred sixty-one".