1672023648 has 48 divisors (see below), whose sum is σ = 4471888176. Its totient is φ = 546823680.

The previous prime is 1672023643. The next prime is 1672023649. The reversal of 1672023648 is 8463202761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672023643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159223 + ... + 169398.

It is an arithmetic number, because the mean of its divisors is an integer number (93164337).

Almost surely, 2^1672023648 is an apocalyptic number.

It is an amenable number.

1672023648 is an abundant number, since it is smaller than the sum of its proper divisors (2799864528).

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

1672023648 is a wasteful number, since it uses less digits than its factorization.

1672023648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328687 (or 328679 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1672023648 is about 40890.3857648714. The cubic root of 1672023648 is about 1186.9000236835.

The spelling of 1672023648 in words is "one billion, six hundred seventy-two million, twenty-three thousand, six hundred forty-eight".