1625016066 has 8 divisors (see below), whose sum is σ = 3250032144. Its totient is φ = 541672020.

The previous prime is 1625016037. The next prime is 1625016067. The reversal of 1625016066 is 6606105261.

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

1625016066 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1625016067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135418000 + ... + 135418011.

It is an arithmetic number, because the mean of its divisors is an integer number (406254018).

Almost surely, 2^1625016066 is an apocalyptic number.

1625016066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625016066 is a wasteful number, since it uses less digits than its factorization.

1625016066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270836016.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1625016066 is about 40311.4880152048. The cubic root of 1625016066 is about 1175.6712183649.

The spelling of 1625016066 in words is "one billion, six hundred twenty-five million, sixteen thousand, sixty-six".