1965473016 has 64 divisors (see below), whose sum is σ = 5296233600. Its totient is φ = 604238208.

The previous prime is 1965472997. The next prime is 1965473023. The reversal of 1965473016 is 6103745691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518215 + ... + 521993.

It is an arithmetic number, because the mean of its divisors is an integer number (82753650).

Almost surely, 2^1965473016 is an apocalyptic number.

It is an amenable number.

1965473016 is an abundant number, since it is smaller than the sum of its proper divisors (3330760584).

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

1965473016 is a wasteful number, since it uses less digits than its factorization.

1965473016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1965473016 is about 44333.6555677512. The cubic root of 1965473016 is about 1252.6287114391.

The spelling of 1965473016 in words is "one billion, nine hundred sixty-five million, four hundred seventy-three thousand, sixteen".