1946525568 has 128 divisors (see below), whose sum is σ = 5895983520. Its totient is φ = 563675136.

The previous prime is 1946525549. The next prime is 1946525593. The reversal of 1946525568 is 8655256491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1946525568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73396 + ... + 96332.

Almost surely, 2^1946525568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1946525568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947991760).

1946525568 is an abundant number, since it is smaller than the sum of its proper divisors (3949457952).

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

1946525568 is a wasteful number, since it uses less digits than its factorization.

1946525568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22984 (or 22972 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The square root of 1946525568 is about 44119.4465967106. The cubic root of 1946525568 is about 1248.5905324918.

The spelling of 1946525568 in words is "one billion, nine hundred forty-six million, five hundred twenty-five thousand, five hundred sixty-eight".