165614653043 has 4 divisors (see below), whose sum is σ = 189273889200. Its totient is φ = 141955416888.

The previous prime is 165614653033. The next prime is 165614653067. The reversal of 165614653043 is 340356416561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340356416561 = 7 ⋅48622345223.

It is a cyclic number.

It is not a de Polignac number, because 165614653043 - 2¹⁴ = 165614636659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165614652985 and 165614653003.

It is not an unprimeable number, because it can be changed into a prime (165614653033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11829618068 + ... + 11829618081.

It is an arithmetic number, because the mean of its divisors is an integer number (47318472300).

Almost surely, 2^165614653043 is an apocalyptic number.

165614653043 is a deficient number, since it is larger than the sum of its proper divisors (23659236157).

165614653043 is an equidigital number, since it uses as much as digits as its factorization.

165614653043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23659236156.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 165614653043 in words is "one hundred sixty-five billion, six hundred fourteen million, six hundred fifty-three thousand, forty-three".