2668120654 has 8 divisors (see below), whose sum is σ = 4057005600. Its totient is φ = 1315785456.

The previous prime is 2668120627. The next prime is 2668120667. The reversal of 2668120654 is 4560218662.

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

It is a congruent number.

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, 9137254 + ... + 9137545.

It is an arithmetic number, because the mean of its divisors is an integer number (507125700).

Almost surely, 2^2668120654 is an apocalyptic number.

2668120654 is a deficient number, since it is larger than the sum of its proper divisors (1388884946).

2668120654 is a wasteful number, since it uses less digits than its factorization.

2668120654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274874.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2668120654 is about 51653.8542027601. The cubic root of 2668120654 is about 1386.9745375358.

The spelling of 2668120654 in words is "two billion, six hundred sixty-eight million, one hundred twenty thousand, six hundred fifty-four".