61206810363 has 6 divisors (see below), whose sum is σ = 88409837204. Its totient is φ = 40804540236.

The previous prime is 61206810293. The next prime is 61206810377. The reversal of 61206810363 is 36301860216.

61206810363 is a `hidden beast` number, since 612 + 0 + 6 + 8 + 1 + 0 + 36 + 3 = 666.

It is not a de Polignac number, because 61206810363 - 2¹² = 61206806267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61206810383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3400378345 + ... + 3400378362.

Almost surely, 2^61206810363 is an apocalyptic number.

61206810363 is a deficient number, since it is larger than the sum of its proper divisors (27203026841).

61206810363 is a wasteful number, since it uses less digits than its factorization.

61206810363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800756713 (or 6800756710 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 61206810363 in words is "sixty-one billion, two hundred six million, eight hundred ten thousand, three hundred sixty-three".