165101616015 has 48 divisors (see below), whose sum is σ = 307365878880. Its totient is φ = 75456675840.

The previous prime is 165101615981. The next prime is 165101616023. The reversal of 165101616015 is 510616101561.

It is not a de Polignac number, because 165101616015 - 2⁶ = 165101615951 is a prime.

It is a super-2 number, since 2×165101616015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3268471 + ... + 3318599.

It is an arithmetic number, because the mean of its divisors is an integer number (6403455810).

Almost surely, 2^165101616015 is an apocalyptic number.

165101616015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165101616015 is a deficient number, since it is larger than the sum of its proper divisors (142264262865).

165101616015 is a wasteful number, since it uses less digits than its factorization.

165101616015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54632 (or 54625 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 165101616015 its reverse (510616101561), we get a palindrome (675717717576).

The spelling of 165101616015 in words is "one hundred sixty-five billion, one hundred one million, six hundred sixteen thousand, fifteen".