1669950456 has 32 divisors (see below), whose sum is σ = 4179513600. Its totient is φ = 556031840.

The previous prime is 1669950407. The next prime is 1669950473. The reversal of 1669950456 is 6540599661.

It is a junction number, because it is equal to n+sod(n) for n = 1669950399 and 1669950408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16326 + ... + 60053.

It is an arithmetic number, because the mean of its divisors is an integer number (130609800).

Almost surely, 2^1669950456 is an apocalyptic number.

It is an amenable number.

1669950456 is an abundant number, since it is smaller than the sum of its proper divisors (2509563144).

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

1669950456 is a wasteful number, since it uses less digits than its factorization.

1669950456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77299 (or 77295 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 1669950456 is about 40865.0272971890. The cubic root of 1669950456 is about 1186.4092632093.

The spelling of 1669950456 in words is "one billion, six hundred sixty-nine million, nine hundred fifty thousand, four hundred fifty-six".