1625416161 has 8 divisors (see below), whose sum is σ = 2281285920. Its totient is φ = 1026578592.

The previous prime is 1625416147. The next prime is 1625416201. The reversal of 1625416161 is 1616145261.

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

It is not a de Polignac number, because 1625416161 - 2⁷ = 1625416033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625416861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14257980 + ... + 14258093.

It is an arithmetic number, because the mean of its divisors is an integer number (285160740).

Almost surely, 2^1625416161 is an apocalyptic number.

It is an amenable number.

1625416161 is a deficient number, since it is larger than the sum of its proper divisors (655869759).

1625416161 is a wasteful number, since it uses less digits than its factorization.

1625416161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28516095.

The product of its digits is 8640, while the sum is 33.

The square root of 1625416161 is about 40316.4502529675. The cubic root of 1625416161 is about 1175.7676977345.

The spelling of 1625416161 in words is "one billion, six hundred twenty-five million, four hundred sixteen thousand, one hundred sixty-one".