1606973760 has 336 divisors, whose sum is σ = 6403238400. Its totient is φ = 362299392.

The previous prime is 1606973759. The next prime is 1606973789. The reversal of 1606973760 is 673796061.

1606973760 is a `hidden beast` number, since 1 + 606 + 9 + 7 + 37 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1592136 + ... + 1593144.

Almost surely, 2^1606973760 is an apocalyptic number.

1606973760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606973760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201619200).

1606973760 is an abundant number, since it is smaller than the sum of its proper divisors (4796264640).

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

1606973760 is a wasteful number, since it uses less digits than its factorization.

1606973760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 1606973760 is about 40087.0772194731. The cubic root of 1606973760 is about 1171.3039155759.

The spelling of 1606973760 in words is "one billion, six hundred six million, nine hundred seventy-three thousand, seven hundred sixty".