162665537 has 16 divisors (see below), whose sum is σ = 176670720. Its totient is φ = 149200128.

The previous prime is 162665521. The next prime is 162665539. The reversal of 162665537 is 735566261.

It is a cyclic number.

It is not a de Polignac number, because 162665537 - 2⁴ = 162665521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162665494 and 162665503.

It is not an unprimeable number, because it can be changed into a prime (162665539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126743 + ... + 128019.

It is an arithmetic number, because the mean of its divisors is an integer number (11041920).

Almost surely, 2^162665537 is an apocalyptic number.

162665537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

162665537 is a deficient number, since it is larger than the sum of its proper divisors (14005183).

162665537 is a wasteful number, since it uses less digits than its factorization.

162665537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480.

The product of its digits is 226800, while the sum is 41.

The square root of 162665537 is about 12754.0400265955. The cubic root of 162665537 is about 545.8816770084.

The spelling of 162665537 in words is "one hundred sixty-two million, six hundred sixty-five thousand, five hundred thirty-seven".