158121627 has 8 divisors (see below), whose sum is σ = 210891264. Its totient is φ = 105383208.

The previous prime is 158121569. The next prime is 158121643. The reversal of 158121627 is 726121851.

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

It is not a de Polignac number, because 158121627 - 2⁷ = 158121499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158121127) 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 7 ways as a sum of consecutive naturals, for example, 9498 + ... + 20160.

It is an arithmetic number, because the mean of its divisors is an integer number (26361408).

Almost surely, 2^158121627 is an apocalyptic number.

158121627 is a deficient number, since it is larger than the sum of its proper divisors (52769637).

158121627 is a wasteful number, since it uses less digits than its factorization.

158121627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609.

The product of its digits is 6720, while the sum is 33.

The square root of 158121627 is about 12574.6422215505. The cubic root of 158121627 is about 540.7507014422.

The spelling of 158121627 in words is "one hundred fifty-eight million, one hundred twenty-one thousand, six hundred twenty-seven".