1606880746384 has 15 divisors (see below), whose sum is σ = 3113341270267. Its totient is φ = 803437837936.

The previous prime is 1606880746319. The next prime is 1606880746411. The reversal of 1606880746384 is 4836470886061.

It is a happy number.

The square root of 1606880746384 is 1267628.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 4912059 + ... + 5228965.

Almost surely, 2^{1606880746384} is an apocalyptic number.

1606880746384 is the 1267628-th square number.

It is an amenable number.

1606880746384 is a deficient number, since it is larger than the sum of its proper divisors (1506460523883).

1606880746384 is an frugal number, since it uses more digits than its factorization.

1606880746384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633822 (or 316909 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 1606880746384 in words is "one trillion, six hundred six billion, eight hundred eighty million, seven hundred forty-six thousand, three hundred eighty-four".