3783550168225 has 9 divisors (see below), whose sum is σ = 4691614268467. Its totient is φ = 3026832354040.

The previous prime is 3783550168213. The next prime is 3783550168231. The reversal of 3783550168225 is 5228610553873.

The square root of 3783550168225 is 1945135.

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

It can be written as a sum of positive squares in only one way, i.e., 1362078060561 + 2421472107664 = 1167081^2 + 1556108^2 .

It is not a de Polignac number, because 3783550168225 - 2³³ = 3774960233633 is a prime.

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, 9531162 + ... + 9920188.

Almost surely, 2^{3783550168225} is an apocalyptic number.

3783550168225 is the 1945135-th square number.

3783550168225 is the 972568-th centered octagonal number.

It is an amenable number.

3783550168225 is a deficient number, since it is larger than the sum of its proper divisors (908064100242).

3783550168225 is an frugal number, since it uses more digits than its factorization.

3783550168225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778064 (or 389032 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 3783550168225 in words is "three trillion, seven hundred eighty-three billion, five hundred fifty million, one hundred sixty-eight thousand, two hundred twenty-five".