512446321402161 has 16 divisors (see below), whose sum is σ = 684824230548480. Its totient is φ = 340849660378320.

The previous prime is 512446321402151. The next prime is 512446321402261. The reversal of 512446321402161 is 161204123644215.

It is not a de Polignac number, because 512446321402161 - 2⁹ = 512446321401649 is a prime.

It is a super-2 number, since 2×512446321402161² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512446321402151) 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, 152297046 + ... + 155625456.

It is an arithmetic number, because the mean of its divisors is an integer number (42801514409280).

Almost surely, 2^{512446321402161} is an apocalyptic number.

It is an amenable number.

512446321402161 is a deficient number, since it is larger than the sum of its proper divisors (172377909146319).

512446321402161 is a wasteful number, since it uses less digits than its factorization.

512446321402161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445756.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 512446321402161 in words is "five hundred twelve trillion, four hundred forty-six billion, three hundred twenty-one million, four hundred two thousand, one hundred sixty-one".