1606757625 has 96 divisors (see below), whose sum is σ = 3183732864. Its totient is φ = 773136000.

The previous prime is 1606757587. The next prime is 1606757681. The reversal of 1606757625 is 5267576061.

1606757625 is a `hidden beast` number, since 16 + 0 + 6 + 7 + 5 + 7 + 625 = 666.

It is not a de Polignac number, because 1606757625 - 2¹⁶ = 1606692089 is a prime.

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

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 95 ways as a sum of consecutive naturals, for example, 1942462 + ... + 1943288.

It is an arithmetic number, because the mean of its divisors is an integer number (33163884).

Almost surely, 2^1606757625 is an apocalyptic number.

1606757625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1606757625 is a deficient number, since it is larger than the sum of its proper divisors (1576975239).

1606757625 is a wasteful number, since it uses less digits than its factorization.

1606757625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 1606757625 is about 40084.3813099317. The cubic root of 1606757625 is about 1171.2514004844.

The spelling of 1606757625 in words is "one billion, six hundred six million, seven hundred fifty-seven thousand, six hundred twenty-five".