4525216021766 has 16 divisors (see below), whose sum is σ = 7437234756240. Its totient is φ = 2047934203680.

The previous prime is 4525216021691. The next prime is 4525216021789. The reversal of 4525216021766 is 6671206125254.

It is a self number, because there is not a number n which added to its sum of digits gives 4525216021766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449103341 + ... + 449113416.

It is an arithmetic number, because the mean of its divisors is an integer number (464827172265).

Almost surely, 2^{4525216021766} is an apocalyptic number.

4525216021766 is a deficient number, since it is larger than the sum of its proper divisors (2912018734474).

4525216021766 is a wasteful number, since it uses less digits than its factorization.

4525216021766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898216999.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 4525216021766 in words is "four trillion, five hundred twenty-five billion, two hundred sixteen million, twenty-one thousand, seven hundred sixty-six".