1664625225482 has 8 divisors (see below), whose sum is σ = 2496979012836. Its totient is φ = 832298887872.

The previous prime is 1664625225479. The next prime is 1664625225493. The reversal of 1664625225482 is 2845225264661.

It can be written as a sum of positive squares in 2 ways, for example, as 1039973683681 + 624651541801 = 1019791^2 + 790349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6710153 + ... + 6953804.

Almost surely, 2^{1664625225482} is an apocalyptic number.

1664625225482 is a deficient number, since it is larger than the sum of its proper divisors (832353787354).

1664625225482 is a wasteful number, since it uses less digits than its factorization.

1664625225482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724872.

The product of its digits is 11059200, while the sum is 53.

The spelling of 1664625225482 in words is "one trillion, six hundred sixty-four billion, six hundred twenty-five million, two hundred twenty-five thousand, four hundred eighty-two".