1797823616 has 16 divisors (see below), whose sum is σ = 3581601990. Its totient is φ = 898911744.

The previous prime is 1797823607. The next prime is 1797823693. The reversal of 1797823616 is 6163287971.

It can be written as a sum of positive squares in only one way, i.e., 1466583616 + 331240000 = 38296^2 + 18200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7022621 + ... + 7022876.

Almost surely, 2^1797823616 is an apocalyptic number.

1797823616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1797823616 is a deficient number, since it is larger than the sum of its proper divisors (1783778374).

1797823616 is an equidigital number, since it uses as much as digits as its factorization.

1797823616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045511 (or 14045499 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 1797823616 is about 42400.7501820428. The cubic root of 1797823616 is about 1215.9499344576.

The spelling of 1797823616 in words is "one billion, seven hundred ninety-seven million, eight hundred twenty-three thousand, six hundred sixteen".