4128601354816 has 21 divisors (see below), whose sum is σ = 8192725569939. Its totient is φ = 2064292549824.

The previous prime is 4128601354789. The next prime is 4128601354853. The reversal of 4128601354816 is 6184531068214.

The square root of 4128601354816 is 2031896.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4128601354816.

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, 16128175 + ... + 16382161.

Almost surely, 2^{4128601354816} is an apocalyptic number.

4128601354816 is the 2031896-th square number.

It is an amenable number.

4128601354816 is a deficient number, since it is larger than the sum of its proper divisors (4064124215123).

4128601354816 is an frugal number, since it uses more digits than its factorization.

4128601354816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507986 (or 253989 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

Multiplying 4128601354816 by its sum of digits (49), we get a square (202301466385984 = 14223272²).

The spelling of 4128601354816 in words is "four trillion, one hundred twenty-eight billion, six hundred one million, three hundred fifty-four thousand, eight hundred sixteen".