158638051 has 16 divisors (see below), whose sum is σ = 190713600. Its totient is φ = 130021920.

The previous prime is 158638031. The next prime is 158638057. The reversal of 158638051 is 150836851.

It is a cyclic number.

It is not a de Polignac number, because 158638051 - 2¹⁵ = 158605283 is a prime.

It is a super-3 number, since 3×158638051³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158638051.

It is not an unprimeable number, because it can be changed into a prime (158638057) 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 15 ways as a sum of consecutive naturals, for example, 6751 + ... + 19048.

It is an arithmetic number, because the mean of its divisors is an integer number (11919600).

Almost surely, 2^158638051 is an apocalyptic number.

158638051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

158638051 is a deficient number, since it is larger than the sum of its proper divisors (32075549).

158638051 is a wasteful number, since it uses less digits than its factorization.

158638051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25866.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 158638051 is about 12595.1598243135. The cubic root of 158638051 is about 541.3387575677.

Adding to 158638051 its product of nonzero digits (28800), we get a palindrome (158666851).

The spelling of 158638051 in words is "one hundred fifty-eight million, six hundred thirty-eight thousand, fifty-one".