1667056472 has 16 divisors (see below), whose sum is σ = 3126283560. Its totient is φ = 833380864.

The previous prime is 1667056463. The next prime is 1667056507. The reversal of 1667056472 is 2746507661.

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, 40883 + ... + 70749.

Almost surely, 2^1667056472 is an apocalyptic number.

It is an amenable number.

1667056472 is a deficient number, since it is larger than the sum of its proper divisors (1459227088).

1667056472 is a wasteful number, since it uses less digits than its factorization.

1667056472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36850 (or 36846 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1667056472 is about 40829.6028881007. The cubic root of 1667056472 is about 1185.7235273568.

The spelling of 1667056472 in words is "one billion, six hundred sixty-seven million, fifty-six thousand, four hundred seventy-two".