1664150389014 has 32 divisors (see below), whose sum is σ = 3334562380800. Its totient is φ = 553673753600.

The previous prime is 1664150388973. The next prime is 1664150389019. The reversal of 1664150389014 is 4109830514661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664150389019) 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, 12204787 + ... + 12340385.

It is an arithmetic number, because the mean of its divisors is an integer number (104205074400).

Almost surely, 2^{1664150389014} is an apocalyptic number.

1664150389014 is an abundant number, since it is smaller than the sum of its proper divisors (1670411991786).

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

1664150389014 is a wasteful number, since it uses less digits than its factorization.

1664150389014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139436.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 1664150389014 in words is "one trillion, six hundred sixty-four billion, one hundred fifty million, three hundred eighty-nine thousand, fourteen".