10165720006501 has 16 divisors (see below), whose sum is σ = 10722816720000. Its totient is φ = 9610848239616.

The previous prime is 10165720006499. The next prime is 10165720006537. The reversal of 10165720006501 is 10560002756101.

It is a cyclic number.

It is not a de Polignac number, because 10165720006501 - 2¹ = 10165720006499 is a prime.

It is a super-3 number, since 3×10165720006501³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10165720096501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19008165 + ... + 19535653.

It is an arithmetic number, because the mean of its divisors is an integer number (670176045000).

Almost surely, 2^{10165720006501} is an apocalyptic number.

It is an amenable number.

10165720006501 is a deficient number, since it is larger than the sum of its proper divisors (557096713499).

10165720006501 is a wasteful number, since it uses less digits than its factorization.

10165720006501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529596.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 10165720006501 in words is "ten trillion, one hundred sixty-five billion, seven hundred twenty million, six thousand, five hundred one".