1625136346 has 16 divisors (see below), whose sum is σ = 2557915200. Its totient is φ = 772893088.

The previous prime is 1625136341. The next prime is 1625136349. The reversal of 1625136346 is 6436315261.

It is not an unprimeable number, because it can be changed into a prime (1625136341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90451 + ... + 106918.

It is an arithmetic number, because the mean of its divisors is an integer number (159869700).

Almost surely, 2^1625136346 is an apocalyptic number.

1625136346 is a deficient number, since it is larger than the sum of its proper divisors (932778854).

1625136346 is a wasteful number, since it uses less digits than its factorization.

1625136346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197573.

The product of its digits is 77760, while the sum is 37.

The square root of 1625136346 is about 40312.9798700121. The cubic root of 1625136346 is about 1175.7002244874.

The spelling of 1625136346 in words is "one billion, six hundred twenty-five million, one hundred thirty-six thousand, three hundred forty-six".