3561661198230 has 16 divisors (see below), whose sum is σ = 8547986875824. Its totient is φ = 949776319520.

The previous prime is 3561661198189. The next prime is 3561661198283. The reversal of 3561661198230 is 328911661653.

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, 59361019941 + ... + 59361020000.

It is an arithmetic number, because the mean of its divisors is an integer number (534249179739).

Almost surely, 2^{3561661198230} is an apocalyptic number.

3561661198230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3561661198230 is an abundant number, since it is smaller than the sum of its proper divisors (4986325677594).

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

3561661198230 is a wasteful number, since it uses less digits than its factorization.

3561661198230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118722039951.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 3561661198230 in words is "three trillion, five hundred sixty-one billion, six hundred sixty-one million, one hundred ninety-eight thousand, two hundred thirty".