1950000664 has 16 divisors (see below), whose sum is σ = 3716190720. Its totient is φ = 959016480.

The previous prime is 1950000653. The next prime is 1950000673. The reversal of 1950000664 is 4660000591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997464 + ... + 1998439.

It is an arithmetic number, because the mean of its divisors is an integer number (232261920).

Almost surely, 2^1950000664 is an apocalyptic number.

It is an amenable number.

1950000664 is a deficient number, since it is larger than the sum of its proper divisors (1766190056).

1950000664 is a wasteful number, since it uses less digits than its factorization.

1950000664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995970 (or 3995966 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1950000664 is about 44158.8118499581. The cubic root of 1950000664 is about 1249.3331192660. Note that the first 3 decimals are identical.

The spelling of 1950000664 in words is "one billion, nine hundred fifty million, six hundred sixty-four", and thus it is an aban number.