1016605661100 has 36 divisors (see below), whose sum is σ = 2941379046984. Its totient is φ = 271094842880.

The previous prime is 1016605661087. The next prime is 1016605661167. The reversal of 1016605661100 is 11665066101.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1694342469 + ... + 1694343068.

Almost surely, 2^{1016605661100} is an apocalyptic number.

1016605661100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016605661100 is an abundant number, since it is smaller than the sum of its proper divisors (1924773385884).

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

1016605661100 is a wasteful number, since it uses less digits than its factorization.

1016605661100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388685554 (or 3388685547 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 1016605661100 in words is "one trillion, sixteen billion, six hundred five million, six hundred sixty-one thousand, one hundred".