165515033140353 has 96 divisors (see below), whose sum is σ = 269480518944000. Its totient is φ = 97130400694272.

The previous prime is 165515033140351. The next prime is 165515033140411. The reversal of 165515033140353 is 353041330515561.

165515033140353 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 150 + 3 + 3 + 140 + 353 = 666.

It is not a de Polignac number, because 165515033140353 - 2¹ = 165515033140351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165515033140299 and 165515033140308.

It is not an unprimeable number, because it can be changed into a prime (165515033140351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1869907425 + ... + 1869995937.

It is an arithmetic number, because the mean of its divisors is an integer number (2807088739000).

Almost surely, 2^{165515033140353} is an apocalyptic number.

165515033140353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165515033140353 is a deficient number, since it is larger than the sum of its proper divisors (103965485803647).

165515033140353 is a wasteful number, since it uses less digits than its factorization.

165515033140353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90663 (or 90660 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 165515033140353 in words is "one hundred sixty-five trillion, five hundred fifteen billion, thirty-three million, one hundred forty thousand, three hundred fifty-three".