3661063450 has 72 divisors (see below), whose sum is σ = 7840614240. Its totient is φ = 1261159200.

The previous prime is 3661063409. The next prime is 3661063463. The reversal of 3661063450 is 543601663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 189331 + ... + 207769.

It is an arithmetic number, because the mean of its divisors is an integer number (108897420).

Almost surely, 2^3661063450 is an apocalyptic number.

3661063450 is an abundant number, since it is smaller than the sum of its proper divisors (4179550790).

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

3661063450 is a wasteful number, since it uses less digits than its factorization.

3661063450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 3661063450 is about 60506.7223538013. The cubic root of 3661063450 is about 1541.2357891389.

The spelling of 3661063450 in words is "three billion, six hundred sixty-one million, sixty-three thousand, four hundred fifty".