2264661565642 has 16 divisors (see below), whose sum is σ = 3882296328192. Its totient is φ = 970564402800.

The previous prime is 2264661565633. The next prime is 2264661565643. The reversal of 2264661565642 is 2465651664622.

It is a super-3 number, since 3×2264661565642³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2264661565643) 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, 5011767 + ... + 5444917.

It is an arithmetic number, because the mean of its divisors is an integer number (242643520512).

Almost surely, 2^{2264661565642} is an apocalyptic number.

2264661565642 is a deficient number, since it is larger than the sum of its proper divisors (1617634762550).

2264661565642 is a wasteful number, since it uses less digits than its factorization.

2264661565642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806613.

The product of its digits is 24883200, while the sum is 55.

The spelling of 2264661565642 in words is "two trillion, two hundred sixty-four billion, six hundred sixty-one million, five hundred sixty-five thousand, six hundred forty-two".