1616163553000 has 32 divisors (see below), whose sum is σ = 3781822716360. Its totient is φ = 646465420800.

The previous prime is 1616163552967. The next prime is 1616163553007. The reversal of 1616163553000 is 3553616161.

It can be written as a sum of positive squares in 4 ways, for example, as 734281037604 + 881882515396 = 856902^2 + 939086^2 .

It is a super-2 number, since 2×1616163553000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616163553007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808080777 + ... + 808082776.

Almost surely, 2^{1616163553000} is an apocalyptic number.

1616163553000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616163553000 is an abundant number, since it is smaller than the sum of its proper divisors (2165659163360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616163553000 is a wasteful number, since it uses less digits than its factorization.

1616163553000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616163574 (or 1616163560 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 1616163553000 in words is "one trillion, six hundred sixteen billion, one hundred sixty-three million, five hundred fifty-three thousand".