10645612052165 has 8 divisors (see below), whose sum is σ = 12775625332728. Its totient is φ = 8515895728320.

The previous prime is 10645612052149. The next prime is 10645612052213. The reversal of 10645612052165 is 56125021654601.

It can be written as a sum of positive squares in 4 ways, for example, as 3617541316 + 10641994510849 = 60146^2 + 3262207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10645612052165 - 2⁴ = 10645612052149 is a prime.

It is a super-2 number, since 2×10645612052165² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74160302 + ... + 74303711.

It is an arithmetic number, because the mean of its divisors is an integer number (1596953166591).

Almost surely, 2^{10645612052165} is an apocalyptic number.

It is an amenable number.

10645612052165 is a deficient number, since it is larger than the sum of its proper divisors (2130013280563).

10645612052165 is a wasteful number, since it uses less digits than its factorization.

10645612052165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148478359.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 10645612052165 in words is "ten trillion, six hundred forty-five billion, six hundred twelve million, fifty-two thousand, one hundred sixty-five".