2260661642 has 8 divisors (see below), whose sum is σ = 3391270500. Its totient is φ = 1130238144.

The previous prime is 2260661617. The next prime is 2260661671. The reversal of 2260661642 is 2461660622.

It can be written as a sum of positive squares in 2 ways, for example, as 1809566521 + 451095121 = 42539^2 + 21239^2 .

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

It is a super-2 number, since 2×2260661642² = 10221182119220272328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10217 + ... + 68012.

Almost surely, 2^2260661642 is an apocalyptic number.

2260661642 is a deficient number, since it is larger than the sum of its proper divisors (1130608858).

2260661642 is a wasteful number, since it uses less digits than its factorization.

2260661642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92680.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2260661642 is about 47546.4156588065. The cubic root of 2260661642 is about 1312.4371703499.

It can be divided in two parts, 22606 and 61642, that added together give a palindrome (84248).

The spelling of 2260661642 in words is "two billion, two hundred sixty million, six hundred sixty-one thousand, six hundred forty-two".