1361202216610 has 48 divisors (see below), whose sum is σ = 2567912812920. Its totient is φ = 519468181760.

The previous prime is 1361202216581. The next prime is 1361202216617. The reversal of 1361202216610 is 166122021631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1198435962361 + 162766254249 = 1094731^2 + 403443^2 .

It is not an unprimeable number, because it can be changed into a prime (1361202216617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1727070 + ... + 2388550.

Almost surely, 2^{1361202216610} is an apocalyptic number.

1361202216610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361202216610 is a deficient number, since it is larger than the sum of its proper divisors (1206710596310).

1361202216610 is a wasteful number, since it uses less digits than its factorization.

1361202216610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661923 (or 661900 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1361202216610 in words is "one trillion, three hundred sixty-one billion, two hundred two million, two hundred sixteen thousand, six hundred ten".