53165361380157 has 24 divisors (see below), whose sum is σ = 83630905558200. Its totient is φ = 32349537082368.

The previous prime is 53165361380129. The next prime is 53165361380213. The reversal of 53165361380157 is 75108316356135.

53165361380157 is a `hidden beast` number, since 5 + 3 + 1 + 6 + 5 + 3 + 613 + 8 + 0 + 15 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4354821886041 + 48810539494116 = 2086821^2 + 6986454^2 .

It is not a de Polignac number, because 53165361380157 - 2³¹ = 53163213896509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53165361380357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2552825532 + ... + 2552846357.

It is an arithmetic number, because the mean of its divisors is an integer number (3484621064925).

Almost surely, 2^{53165361380157} is an apocalyptic number.

It is an amenable number.

53165361380157 is a deficient number, since it is larger than the sum of its proper divisors (30465544178043).

53165361380157 is a wasteful number, since it uses less digits than its factorization.

53165361380157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105671997 (or 5105671994 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 53165361380157 in words is "fifty-three trillion, one hundred sixty-five billion, three hundred sixty-one million, three hundred eighty thousand, one hundred fifty-seven".