2916571645 has 16 divisors (see below), whose sum is σ = 3779637120. Its totient is φ = 2147759424.

The previous prime is 2916571643. The next prime is 2916571717. The reversal of 2916571645 is 5461756192.

It is a cyclic number.

It is not a de Polignac number, because 2916571645 - 2¹ = 2916571643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2916571595 and 2916571604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2916571643) 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, 39159 + ... + 85828.

It is an arithmetic number, because the mean of its divisors is an integer number (236227320).

Almost surely, 2^2916571645 is an apocalyptic number.

It is an amenable number.

2916571645 is a deficient number, since it is larger than the sum of its proper divisors (863065475).

2916571645 is a wasteful number, since it uses less digits than its factorization.

2916571645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125364.

The product of its digits is 453600, while the sum is 46.

The square root of 2916571645 is about 54005.2927498778. The cubic root of 2916571645 is about 1428.7542976545.

The spelling of 2916571645 in words is "two billion, nine hundred sixteen million, five hundred seventy-one thousand, six hundred forty-five".