10668021683390 has 16 divisors (see below), whose sum is σ = 19224793456560. Its totient is φ = 4262241023040.

The previous prime is 10668021683339. The next prime is 10668021683411. The reversal of 10668021683390 is 9338612086601.

It is a super-2 number, since 2×10668021683390² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620947271 + ... + 620964450.

It is an arithmetic number, because the mean of its divisors is an integer number (1201549591035).

Almost surely, 2^{10668021683390} is an apocalyptic number.

10668021683390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10668021683390 is a deficient number, since it is larger than the sum of its proper divisors (8556771773170).

10668021683390 is a wasteful number, since it uses less digits than its factorization.

10668021683390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241912587.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 10668021683390 in words is "ten trillion, six hundred sixty-eight billion, twenty-one million, six hundred eighty-three thousand, three hundred ninety".