2261616071 has 8 divisors (see below), whose sum is σ = 2657003664. Its totient is φ = 1897859520.

The previous prime is 2261616061. The next prime is 2261616073. The reversal of 2261616071 is 1706161622.

2261616071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261616071 - 2²⁶ = 2194507207 is a prime.

It is a super-2 number, since 2×2261616071² = 10229814505210954082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261616073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7907606 + ... + 7907891.

It is an arithmetic number, because the mean of its divisors is an integer number (332125458).

Almost surely, 2^2261616071 is an apocalyptic number.

2261616071 is a deficient number, since it is larger than the sum of its proper divisors (395387593).

2261616071 is a wasteful number, since it uses less digits than its factorization.

2261616071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815521.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2261616071 is about 47556.4514130312. The cubic root of 2261616071 is about 1312.6218436968.

Adding to 2261616071 its reverse (1706161622), we get a palindrome (3967777693).

It can be divided in two parts, 226161 and 6071, that added together give a palindrome (232232).

The spelling of 2261616071 in words is "two billion, two hundred sixty-one million, six hundred sixteen thousand, seventy-one".