2664523854 has 12 divisors (see below), whose sum is σ = 5773135056. Its totient is φ = 888174612.

The previous prime is 2664523837. The next prime is 2664523879. The reversal of 2664523854 is 4583254662.

2664523854 is a `hidden beast` number, since 266 + 4 + 5 + 2 + 385 + 4 = 666.

2664523854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74014534 + ... + 74014569.

It is an arithmetic number, because the mean of its divisors is an integer number (481094588).

Almost surely, 2^2664523854 is an apocalyptic number.

2664523854 is an abundant number, since it is smaller than the sum of its proper divisors (3108611202).

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

2664523854 is a wasteful number, since it uses less digits than its factorization.

2664523854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148029111 (or 148029108 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 2664523854 is about 51619.0260853496. The cubic root of 2664523854 is about 1386.3510133368.

The spelling of 2664523854 in words is "two billion, six hundred sixty-four million, five hundred twenty-three thousand, eight hundred fifty-four".