16066870466765 has 16 divisors (see below), whose sum is σ = 19856489247360. Its totient is φ = 12471268582080.

The previous prime is 16066870466693. The next prime is 16066870466783. The reversal of 16066870466765 is 56766407866061.

It is a de Polignac number, because none of the positive numbers 2^k-16066870466765 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16066870466695 and 16066870466704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120891731 + ... + 121024560.

It is an arithmetic number, because the mean of its divisors is an integer number (1241030577960).

Almost surely, 2^{16066870466765} is an apocalyptic number.

It is an amenable number.

16066870466765 is a deficient number, since it is larger than the sum of its proper divisors (3789618780595).

16066870466765 is a wasteful number, since it uses less digits than its factorization.

16066870466765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241916692.

The product of its (nonzero) digits is 365783040, while the sum is 68.

The spelling of 16066870466765 in words is "sixteen trillion, sixty-six billion, eight hundred seventy million, four hundred sixty-six thousand, seven hundred sixty-five".