158681513761 has 8 divisors (see below), whose sum is σ = 169045621920. Its totient is φ = 148518650592.

The previous prime is 158681513729. The next prime is 158681513789. The reversal of 158681513761 is 167315186851.

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 158681513761 - 2⁵ = 158681513729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158681513699 and 158681513708.

It is not an unprimeable number, because it can be changed into a prime (158681513161) 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, 50309620 + ... + 50312773.

It is an arithmetic number, because the mean of its divisors is an integer number (21130702740).

Almost surely, 2^158681513761 is an apocalyptic number.

It is an amenable number.

158681513761 is a deficient number, since it is larger than the sum of its proper divisors (10364108159).

158681513761 is a wasteful number, since it uses less digits than its factorization.

158681513761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100622495.

The product of its digits is 1209600, while the sum is 52.

The spelling of 158681513761 in words is "one hundred fifty-eight billion, six hundred eighty-one million, five hundred thirteen thousand, seven hundred sixty-one".