668087354 has 16 divisors (see below), whose sum is σ = 1093650336. Its totient is φ = 303560400.

The previous prime is 668087353. The next prime is 668087359. The reversal of 668087354 is 453780866.

668087354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 668087299 and 668087308.

It is not an unprimeable number, because it can be changed into a prime (668087353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84824 + ... + 92364.

It is an arithmetic number, because the mean of its divisors is an integer number (68353146).

Almost surely, 2^668087354 is an apocalyptic number.

668087354 is a deficient number, since it is larger than the sum of its proper divisors (425562982).

668087354 is a wasteful number, since it uses less digits than its factorization.

668087354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581.

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

The square root of 668087354 is about 25847.3858252629. The cubic root of 668087354 is about 874.2005668095.

The spelling of 668087354 in words is "six hundred sixty-eight million, eighty-seven thousand, three hundred fifty-four".