158463106722 has 18 divisors (see below), whose sum is σ = 343340390523. Its totient is φ = 52820472612.

The previous prime is 158463106721. The next prime is 158463106777. The reversal of 158463106722 is 227601364851.

158463106722 is a `hidden beast` number, since 1 + 5 + 8 + 4 + 631 + 0 + 6 + 7 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79231553361 + 79231553361 = 281481^2 + 281481^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=281481.

It is a super-2 number, since 2×158463106722² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158463106721) 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 8 ways as a sum of consecutive naturals, for example, 1641973 + ... + 1735799.

Almost surely, 2^158463106722 is an apocalyptic number.

158463106722 is an abundant number, since it is smaller than the sum of its proper divisors (184877283801).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158463106722 is an frugal number, since it uses more digits than its factorization.

158463106722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187662 (or 93832 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 158463106722 in words is "one hundred fifty-eight billion, four hundred sixty-three million, one hundred six thousand, seven hundred twenty-two".