1650606561100 has 36 divisors (see below), whose sum is σ = 4093504273264. Its totient is φ = 565922249280.

The previous prime is 1650606561083. The next prime is 1650606561151. The reversal of 1650606561100 is 11656060561.

It is a self number, because there is not a number n which added to its sum of digits gives 1650606561100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179003987 + ... + 1179005386.

Almost surely, 2^{1650606561100} is an apocalyptic number.

1650606561100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650606561100 is an abundant number, since it is smaller than the sum of its proper divisors (2442897712164).

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

1650606561100 is a wasteful number, since it uses less digits than its factorization.

1650606561100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358009394 (or 2358009387 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1650606561100 in words is "one trillion, six hundred fifty billion, six hundred six million, five hundred sixty-one thousand, one hundred".