165563130116253 has 16 divisors (see below), whose sum is σ = 232545209624000. Its totient is φ = 104487030552960.

The previous prime is 165563130116239. The next prime is 165563130116281. The reversal of 165563130116253 is 352611031365561.

It is not a de Polignac number, because 165563130116253 - 2⁵ = 165563130116221 is a prime.

It is a super-2 number, since 2×165563130116253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165563130116653) 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, 1099325278 + ... + 1099475871.

It is an arithmetic number, because the mean of its divisors is an integer number (14534075601500).

Almost surely, 2^{165563130116253} is an apocalyptic number.

It is an amenable number.

165563130116253 is a deficient number, since it is larger than the sum of its proper divisors (66982079507747).

165563130116253 is a wasteful number, since it uses less digits than its factorization.

165563130116253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198802492.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 165563130116253 in words is "one hundred sixty-five trillion, five hundred sixty-three billion, one hundred thirty million, one hundred sixteen thousand, two hundred fifty-three".