165523331123546 has 16 divisors (see below), whose sum is σ = 272018833676928. Its totient is φ = 74914968434400.

The previous prime is 165523331123473. The next prime is 165523331123573. The reversal of 165523331123546 is 645321133325561.

165523331123546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165523331123546² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165523331123494 and 165523331123503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16145462210 + ... + 16145472461.

It is an arithmetic number, because the mean of its divisors is an integer number (17001177104808).

Almost surely, 2^{165523331123546} is an apocalyptic number.

165523331123546 is a deficient number, since it is larger than the sum of its proper divisors (106495502553382).

165523331123546 is a wasteful number, since it uses less digits than its factorization.

165523331123546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290934917.

The product of its digits is 5832000, while the sum is 50.

The spelling of 165523331123546 in words is "one hundred sixty-five trillion, five hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-three thousand, five hundred forty-six".