1606744662000 has 80 divisors (see below), whose sum is σ = 5180144809632. Its totient is φ = 428465241600.

The previous prime is 1606744661999. The next prime is 1606744662053. The reversal of 1606744662000 is 2664476061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133889389 + ... + 133901388.

Almost surely, 2^{1606744662000} is an apocalyptic number.

1606744662000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606744662000 is an abundant number, since it is smaller than the sum of its proper divisors (3573400147632).

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

1606744662000 is a wasteful number, since it uses less digits than its factorization.

1606744662000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267790803 (or 267790787 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 1606744662000 in words is "one trillion, six hundred six billion, seven hundred forty-four million, six hundred sixty-two thousand".