100653143020816 has 15 divisors (see below), whose sum is σ = 195015542355543. Its totient is φ = 50326551445200.

The previous prime is 100653143020747. The next prime is 100653143020849. The reversal of 100653143020816 is 618020341356001.

The square root of 100653143020816 is 10032604.

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 2 ways as a sum of consecutive naturals, for example, 38876341 + ... + 41384491.

Almost surely, 2^{100653143020816} is an apocalyptic number.

100653143020816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

100653143020816 is the 10032604-th square number.

It is an amenable number.

100653143020816 is a deficient number, since it is larger than the sum of its proper divisors (94362399334727).

100653143020816 is an frugal number, since it uses more digits than its factorization.

100653143020816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016310 (or 2508153 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 100653143020816 its reverse (618020341356001), we get a palindrome (718673484376817).

The spelling of 100653143020816 in words is "one hundred trillion, six hundred fifty-three billion, one hundred forty-three million, twenty thousand, eight hundred sixteen".