158147638101 has 6 divisors (see below), whose sum is σ = 228435477270. Its totient is φ = 105431758728.

The previous prime is 158147638079. The next prime is 158147638127. The reversal of 158147638101 is 101836741851.

158147638101 is a `hidden beast` number, since 1 + 5 + 8 + 1 + 4 + 7 + 638 + 1 + 0 + 1 = 666.

158147638101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155973654225 + 2173983876 = 394935^2 + 46626^2 .

It is not a de Polignac number, because 158147638101 - 2¹⁴ = 158147621717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158147638151) 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 in 5 ways as a sum of consecutive naturals, for example, 8785979886 + ... + 8785979903.

It is an arithmetic number, because the mean of its divisors is an integer number (38072579545).

Almost surely, 2^158147638101 is an apocalyptic number.

It is an amenable number.

158147638101 is a deficient number, since it is larger than the sum of its proper divisors (70287839169).

158147638101 is a wasteful number, since it uses less digits than its factorization.

158147638101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17571959795 (or 17571959792 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 158147638101 in words is "one hundred fifty-eight billion, one hundred forty-seven million, six hundred thirty-eight thousand, one hundred one".