61401307206 has 16 divisors (see below), whose sum is σ = 123202626624. Its totient is φ = 20400433704.

The previous prime is 61401307189. The next prime is 61401307229. The reversal of 61401307206 is 60270310416.

61401307206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16665180 + ... + 16668863.

It is an arithmetic number, because the mean of its divisors is an integer number (7700164164).

Almost surely, 2^61401307206 is an apocalyptic number.

61401307206 is an abundant number, since it is smaller than the sum of its proper divisors (61801319418).

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

61401307206 is a wasteful number, since it uses less digits than its factorization.

61401307206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334355.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 61401307206 in words is "sixty-one billion, four hundred one million, three hundred seven thousand, two hundred six".