2071616 has 14 divisors (see below), whose sum is σ = 4110990. Its totient is φ = 1035776.

The previous prime is 2071613. The next prime is 2071631. The reversal of 2071616 is 6161702.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 817216 = 1120^2 + 904^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2071591 and 2071600.

It is not an unprimeable number, because it can be changed into a prime (2071613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16121 + ... + 16248.

2^2071616 is an apocalyptic number.

It is an amenable number.

2071616 is a deficient number, since it is larger than the sum of its proper divisors (2039374).

2071616 is an equidigital number, since it uses as much as digits as its factorization.

2071616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32381 (or 32371 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2071616 is about 1439.3109462517. The cubic root of 2071616 is about 127.4783456753.

The spelling of 2071616 in words is "two million, seventy-one thousand, six hundred sixteen".