945599916 has 12 divisors (see below), whose sum is σ = 2206399832. Its totient is φ = 315199968.

The previous prime is 945599881. The next prime is 945599917. The reversal of 945599916 is 619995549.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×945599916² = 1788318402278414112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (945599917) 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, 39399985 + ... + 39400008.

Almost surely, 2^945599916 is an apocalyptic number.

It is an amenable number.

945599916 is an abundant number, since it is smaller than the sum of its proper divisors (1260799916).

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

945599916 is a wasteful number, since it uses less digits than its factorization.

945599916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78800000 (or 78799998 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 57.

The square root of 945599916 is about 30750.6083842255. The cubic root of 945599916 is about 981.5275068032.

The spelling of 945599916 in words is "nine hundred forty-five million, five hundred ninety-nine thousand, nine hundred sixteen".