945821559165 has 16 divisors (see below), whose sum is σ = 1729502279808. Its totient is φ = 432375569856.

The previous prime is 945821559161. The next prime is 945821559169. The reversal of 945821559165 is 561955128549.

It is an interprime number because it is at equal distance from previous prime (945821559161) and next prime (945821559169).

It is not a de Polignac number, because 945821559165 - 2² = 945821559161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 945821559099 and 945821559108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945821559161) 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, 4503912082 + ... + 4503912291.

It is an arithmetic number, because the mean of its divisors is an integer number (108093892488).

Almost surely, 2^945821559165 is an apocalyptic number.

It is an amenable number.

945821559165 is a deficient number, since it is larger than the sum of its proper divisors (783680720643).

945821559165 is a wasteful number, since it uses less digits than its factorization.

945821559165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007824388.

The product of its digits is 19440000, while the sum is 60.

The spelling of 945821559165 in words is "nine hundred forty-five billion, eight hundred twenty-one million, five hundred fifty-nine thousand, one hundred sixty-five".