7538142165 has 16 divisors (see below), whose sum is σ = 12062246976. Its totient is φ = 4019936000.

The previous prime is 7538142151. The next prime is 7538142179. The reversal of 7538142165 is 5612418357.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7538142151) and next prime (7538142179).

It is not a de Polignac number, because 7538142165 - 2⁴ = 7538142149 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 183085 + ... + 220445.

It is an arithmetic number, because the mean of its divisors is an integer number (753890436).

Almost surely, 2^7538142165 is an apocalyptic number.

It is an amenable number.

7538142165 is a deficient number, since it is larger than the sum of its proper divisors (4524104811).

7538142165 is a wasteful number, since it uses less digits than its factorization.

7538142165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50820.

The product of its digits is 201600, while the sum is 42.

The square root of 7538142165 is about 86822.4749992765. The cubic root of 7538142165 is about 1960.7464674587.

The spelling of 7538142165 in words is "seven billion, five hundred thirty-eight million, one hundred forty-two thousand, one hundred sixty-five".