1663166613310 has 8 divisors (see below), whose sum is σ = 2993699903976. Its totient is φ = 665266645320.

The previous prime is 1663166613307. The next prime is 1663166613323. The reversal of 1663166613310 is 133166613661.

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

It is a super-2 number, since 2×1663166613310² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 83158330656 + ... + 83158330675.

It is an arithmetic number, because the mean of its divisors is an integer number (374212487997).

Almost surely, 2^{1663166613310} is an apocalyptic number.

1663166613310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663166613310 is a deficient number, since it is larger than the sum of its proper divisors (1330533290666).

1663166613310 is a wasteful number, since it uses less digits than its factorization.

1663166613310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166316661338.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 1663166613310 in words is "one trillion, six hundred sixty-three billion, one hundred sixty-six million, six hundred thirteen thousand, three hundred ten".