165360016766816 has 12 divisors (see below), whose sum is σ = 325552533009732. Its totient is φ = 82680008383392.

The previous prime is 165360016766801. The next prime is 165360016766887. The reversal of 165360016766816 is 618667610063561.

It is a super-2 number, since 2×165360016766816² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583750261950 + ... + 2583750262013.

It is an arithmetic number, because the mean of its divisors is an integer number (27129377750811).

Almost surely, 2^{165360016766816} is an apocalyptic number.

165360016766816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165360016766816 is a deficient number, since it is larger than the sum of its proper divisors (160192516242916).

165360016766816 is an equidigital number, since it uses as much as digits as its factorization.

165360016766816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167500523973 (or 5167500523965 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 165360016766816 in words is "one hundred sixty-five trillion, three hundred sixty billion, sixteen million, seven hundred sixty-six thousand, eight hundred sixteen".