1016669944 has 8 divisors (see below), whose sum is σ = 1906256160. Its totient is φ = 508334968.

The previous prime is 1016669861. The next prime is 1016669947. The reversal of 1016669944 is 4499666101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1016669894 and 1016669903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016669947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63541864 + ... + 63541879.

It is an arithmetic number, because the mean of its divisors is an integer number (238282020).

Almost surely, 2^1016669944 is an apocalyptic number.

It is an amenable number.

1016669944 is a deficient number, since it is larger than the sum of its proper divisors (889586216).

1016669944 is a wasteful number, since it uses less digits than its factorization.

1016669944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127083749 (or 127083745 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1016669944 is about 31885.2621754942. The cubic root of 1016669944 is about 1005.5260544718.

The spelling of 1016669944 in words is "one billion, sixteen million, six hundred sixty-nine thousand, nine hundred forty-four".