165551630111315 has 16 divisors (see below), whose sum is σ = 227084288486400. Its totient is φ = 113500091338080.

The previous prime is 165551630111227. The next prime is 165551630111333. The reversal of 165551630111315 is 513111036155561.

165551630111315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165551630111315 - 2⁸ = 165551630111059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437859431 + ... + 438237360.

It is an arithmetic number, because the mean of its divisors is an integer number (14192768030400).

Almost surely, 2^{165551630111315} is an apocalyptic number.

165551630111315 is a deficient number, since it is larger than the sum of its proper divisors (61532658375085).

165551630111315 is an equidigital number, since it uses as much as digits as its factorization.

165551630111315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876102202.

The product of its (nonzero) digits is 202500, while the sum is 44.

Adding to 165551630111315 its reverse (513111036155561), we get a palindrome (678662666266876).

The spelling of 165551630111315 in words is "one hundred sixty-five trillion, five hundred fifty-one billion, six hundred thirty million, one hundred eleven thousand, three hundred fifteen".