1664050110864 has 80 divisors (see below), whose sum is σ = 4324424861952. Its totient is φ = 551377598464.

The previous prime is 1664050110851. The next prime is 1664050110887. The reversal of 1664050110864 is 4680110504661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56726569 + ... + 56755895.

Almost surely, 2^{1664050110864} is an apocalyptic number.

It is an amenable number.

1664050110864 is an abundant number, since it is smaller than the sum of its proper divisors (2660374751088).

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

1664050110864 is a wasteful number, since it uses less digits than its factorization.

1664050110864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36344 (or 36338 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 1664050110864 in words is "one trillion, six hundred sixty-four billion, fifty million, one hundred ten thousand, eight hundred sixty-four".