165006600051501 has 16 divisors (see below), whose sum is σ = 263258393245120. Its totient is φ = 101542523108400.

The previous prime is 165006600051413. The next prime is 165006600051577. The reversal of 165006600051501 is 105150006600561.

It is not a de Polignac number, because 165006600051501 - 2¹⁹ = 165006599527213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165006600011501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235052136475 + ... + 235052137176.

It is an arithmetic number, because the mean of its divisors is an integer number (16453649577820).

Almost surely, 2^{165006600051501} is an apocalyptic number.

It is an amenable number.

165006600051501 is a deficient number, since it is larger than the sum of its proper divisors (98251793193619).

165006600051501 is a wasteful number, since it uses less digits than its factorization.

165006600051501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470104273673 (or 470104273667 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 165006600051501 in words is "one hundred sixty-five trillion, six billion, six hundred million, fifty-one thousand, five hundred one".