1663100022331 has 16 divisors (see below), whose sum is σ = 1841947406208. Its totient is φ = 1488876206400.

The previous prime is 1663100022317. The next prime is 1663100022461. The reversal of 1663100022331 is 1332200013661.

It is not a de Polignac number, because 1663100022331 - 2¹⁵ = 1663099989563 is a prime.

It is a super-2 number, since 2×1663100022331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1663100022331.

It is not an unprimeable number, because it can be changed into a prime (1663100022301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008351 + ... + 2712871.

It is an arithmetic number, because the mean of its divisors is an integer number (115121712888).

Almost surely, 2^{1663100022331} is an apocalyptic number.

1663100022331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1663100022331 is a deficient number, since it is larger than the sum of its proper divisors (178847383877).

1663100022331 is a wasteful number, since it uses less digits than its factorization.

1663100022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707802.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 1663100022331 its reverse (1332200013661), we get a palindrome (2995300035992).

The spelling of 1663100022331 in words is "one trillion, six hundred sixty-three billion, one hundred million, twenty-two thousand, three hundred thirty-one".