1925445066 has 16 divisors (see below), whose sum is σ = 4053568800. Its totient is φ = 608035248.

The previous prime is 1925445059. The next prime is 1925445077. The reversal of 1925445066 is 6605445291.

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, 8444821 + ... + 8445048.

It is an arithmetic number, because the mean of its divisors is an integer number (253348050).

Almost surely, 2^1925445066 is an apocalyptic number.

1925445066 is an abundant number, since it is smaller than the sum of its proper divisors (2128123734).

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

1925445066 is a wasteful number, since it uses less digits than its factorization.

1925445066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16889893.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1925445066 is about 43879.8936416213. The cubic root of 1925445066 is about 1244.0668299653.

The spelling of 1925445066 in words is "one billion, nine hundred twenty-five million, four hundred forty-five thousand, sixty-six".