162156995 has 64 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 92275200.

The previous prime is 162156947. The next prime is 162156997. The reversal of 162156995 is 599651261.

Together with 102019644 it forms a betrothed pair.

It is not a de Polignac number, because 162156995 - 2²⁰ = 161108419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162156997) 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 63 ways as a sum of consecutive naturals, for example, 895805 + ... + 895985.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^162156995 is an apocalyptic number.

162156995 is a deficient number, since it is larger than the sum of its proper divisors (102019645).

162156995 is a wasteful number, since it uses less digits than its factorization.

162156995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 145800, while the sum is 44.

The square root of 162156995 is about 12734.0879139419. The cubic root of 162156995 is about 545.3122190484.

The spelling of 162156995 in words is "one hundred sixty-two million, one hundred fifty-six thousand, nine hundred ninety-five".