1625163122 has 16 divisors (see below), whose sum is σ = 2699052192. Its totient is φ = 727684320.

The previous prime is 1625163109. The next prime is 1625163139. The reversal of 1625163122 is 2213615261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549803 + ... + 552750.

It is an arithmetic number, because the mean of its divisors is an integer number (168690762).

Almost surely, 2^1625163122 is an apocalyptic number.

1625163122 is a deficient number, since it is larger than the sum of its proper divisors (1073889070).

1625163122 is a wasteful number, since it uses less digits than its factorization.

1625163122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102633.

The product of its digits is 4320, while the sum is 29.

The square root of 1625163122 is about 40313.3119701173. The cubic root of 1625163122 is about 1175.7066814587.

Adding to 1625163122 its reverse (2213615261), we get a palindrome (3838778383).

The spelling of 1625163122 in words is "one billion, six hundred twenty-five million, one hundred sixty-three thousand, one hundred twenty-two".