158173133890 has 8 divisors (see below), whose sum is σ = 284711641020. Its totient is φ = 63269253552.

The previous prime is 158173133887. The next prime is 158173133903. The reversal of 158173133890 is 98331371851.

It is a happy number.

158173133890 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 2 ways, for example, as 137672907849 + 20500226041 = 371043^2 + 143179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7908656685 + ... + 7908656704.

Almost surely, 2^158173133890 is an apocalyptic number.

158173133890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158173133890 is a deficient number, since it is larger than the sum of its proper divisors (126538507130).

158173133890 is a wasteful number, since it uses less digits than its factorization.

158173133890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817313396.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 158173133890 in words is "one hundred fifty-eight billion, one hundred seventy-three million, one hundred thirty-three thousand, eight hundred ninety".