165151453306163 has 8 divisors (see below), whose sum is σ = 166800791179776. Its totient is φ = 163502998619400.

The previous prime is 165151453306153. The next prime is 165151453306193. The reversal of 165151453306163 is 361603354151561.

It is a happy number.

165151453306163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165151453306163 - 2³² = 165147158338867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165151453306153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220420853 + ... + 221168838.

It is an arithmetic number, because the mean of its divisors is an integer number (20850098897472).

Almost surely, 2^{165151453306163} is an apocalyptic number.

165151453306163 is a deficient number, since it is larger than the sum of its proper divisors (1649337873613).

165151453306163 is a wasteful number, since it uses less digits than its factorization.

165151453306163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441593425.

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 165151453306163 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, four hundred fifty-three million, three hundred six thousand, one hundred sixty-three".