158164513 has 4 divisors (see below), whose sum is σ = 170331028. Its totient is φ = 145998000.

The previous prime is 158164483. The next prime is 158164519. The reversal of 158164513 is 315461851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315461851 = 11789 ⋅26759.

It can be written as a sum of positive squares in 2 ways, for example, as 80425024 + 77739489 = 8968^2 + 8817^2 .

It is a cyclic number.

It is not a de Polignac number, because 158164513 - 2²⁵ = 124610081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158164519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6083238 + ... + 6083263.

It is an arithmetic number, because the mean of its divisors is an integer number (42582757).

Almost surely, 2^158164513 is an apocalyptic number.

158164513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158164513 is a deficient number, since it is larger than the sum of its proper divisors (12166515).

158164513 is a wasteful number, since it uses less digits than its factorization.

158164513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166514.

The product of its digits is 14400, while the sum is 34.

The square root of 158164513 is about 12576.3473632053. The cubic root of 158164513 is about 540.7995847791.

The spelling of 158164513 in words is "one hundred fifty-eight million, one hundred sixty-four thousand, five hundred thirteen".