803518617664 has 63 divisors (see below), whose sum is σ = 1854921772623. Its totient is φ = 344343608448.

The previous prime is 803518617641. The next prime is 803518617767. The reversal of 803518617664 is 466716815308.

The square root of 803518617664 is 896392.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50189949 + ... + 50205955.

Almost surely, 2^803518617664 is an apocalyptic number.

803518617664 is the 896392-nd square number.

It is an amenable number.

803518617664 is an abundant number, since it is smaller than the sum of its proper divisors (1051403154959).

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

803518617664 is an frugal number, since it uses more digits than its factorization.

803518617664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32040 (or 16016 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 803518617664 in words is "eight hundred three billion, five hundred eighteen million, six hundred seventeen thousand, six hundred sixty-four".