2662766465 has 48 divisors (see below), whose sum is σ = 3449658240. Its totient is φ = 1972185600.

The previous prime is 2662766411. The next prime is 2662766467. The reversal of 2662766465 is 5646672662.

It is not a de Polignac number, because 2662766465 - 2⁸ = 2662766209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2662766467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17634140 + ... + 17634290.

It is an arithmetic number, because the mean of its divisors is an integer number (71867880).

Almost surely, 2^2662766465 is an apocalyptic number.

It is an amenable number.

2662766465 is a deficient number, since it is larger than the sum of its proper divisors (786891775).

2662766465 is a wasteful number, since it uses less digits than its factorization.

2662766465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 351 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The square root of 2662766465 is about 51602.0005910624. Note that the first 3 decimals coincide. The cubic root of 2662766465 is about 1386.0461566364.

The spelling of 2662766465 in words is "two billion, six hundred sixty-two million, seven hundred sixty-six thousand, four hundred sixty-five".