7165162155 has 16 divisors (see below), whose sum is σ = 11540185344. Its totient is φ = 3796111200.

The previous prime is 7165162141. The next prime is 7165162163. The reversal of 7165162155 is 5512615617.

It is a happy number.

It is not a de Polignac number, because 7165162155 - 2⁹ = 7165161643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579449 + ... + 1583978.

It is an arithmetic number, because the mean of its divisors is an integer number (721261584).

Almost surely, 2^7165162155 is an apocalyptic number.

7165162155 is a deficient number, since it is larger than the sum of its proper divisors (4375023189).

7165162155 is a wasteful number, since it uses less digits than its factorization.

7165162155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163586.

The product of its digits is 63000, while the sum is 39.

The square root of 7165162155 is about 84647.2808482352. The cubic root of 7165162155 is about 1927.8593279703.

The spelling of 7165162155 in words is "seven billion, one hundred sixty-five million, one hundred sixty-two thousand, one hundred fifty-five".