2668157426 has 8 divisors (see below), whose sum is σ = 4366075824. Its totient is φ = 1212798820.

The previous prime is 2668157341. The next prime is 2668157473. The reversal of 2668157426 is 6247518662.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60639920 + ... + 60639963.

It is an arithmetic number, because the mean of its divisors is an integer number (545759478).

Almost surely, 2^2668157426 is an apocalyptic number.

2668157426 is a deficient number, since it is larger than the sum of its proper divisors (1697918398).

2668157426 is a wasteful number, since it uses less digits than its factorization.

2668157426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121279896.

The product of its digits is 967680, while the sum is 47.

The square root of 2668157426 is about 51654.2101478669. The cubic root of 2668157426 is about 1386.9809092608.

The spelling of 2668157426 in words is "two billion, six hundred sixty-eight million, one hundred fifty-seven thousand, four hundred twenty-six".