2299451555664 has 80 divisors (see below), whose sum is σ = 6639800442240. Its totient is φ = 761894104320.

The previous prime is 2299451555629. The next prime is 2299451555671. The reversal of 2299451555664 is 4665551549922.

2299451555664 is a `hidden beast` number, since 2 + 2 + 9 + 9 + 4 + 5 + 15 + 556 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15864397 + ... + 16008684.

It is an arithmetic number, because the mean of its divisors is an integer number (82997505528).

Almost surely, 2^{2299451555664} is an apocalyptic number.

2299451555664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2299451555664 is an abundant number, since it is smaller than the sum of its proper divisors (4340348886576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2299451555664 is a wasteful number, since it uses less digits than its factorization.

2299451555664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31873265 (or 31873253 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 63.

The spelling of 2299451555664 in words is "two trillion, two hundred ninety-nine billion, four hundred fifty-one million, five hundred fifty-five thousand, six hundred sixty-four".