158485665522 has 16 divisors (see below), whose sum is σ = 321313404960. Its totient is φ = 52104876192.

The previous prime is 158485665497. The next prime is 158485665529. The reversal of 158485665522 is 225566584851.

158485665522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (158485665529) 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, 180919272 + ... + 180920147.

It is an arithmetic number, because the mean of its divisors is an integer number (20082087810).

Almost surely, 2^158485665522 is an apocalyptic number.

158485665522 is an abundant number, since it is smaller than the sum of its proper divisors (162827739438).

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

158485665522 is a wasteful number, since it uses less digits than its factorization.

158485665522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361839497.

The product of its digits is 23040000, while the sum is 57.

The spelling of 158485665522 in words is "one hundred fifty-eight billion, four hundred eighty-five million, six hundred sixty-five thousand, five hundred twenty-two".