61400917206 has 24 divisors (see below), whose sum is σ = 133039903464. Its totient is φ = 20466267360.

The previous prime is 61400917177. The next prime is 61400917223. The reversal of 61400917206 is 60271900416.

61400917206 is a `hidden beast` number, since 614 + 0 + 0 + 9 + 17 + 20 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909925 + ... + 975071.

It is an arithmetic number, because the mean of its divisors is an integer number (5543329311).

Almost surely, 2^61400917206 is an apocalyptic number.

61400917206 is an abundant number, since it is smaller than the sum of its proper divisors (71638986258).

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

61400917206 is a wasteful number, since it uses less digits than its factorization.

61400917206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117516 (or 117513 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 61400917206 in words is "sixty-one billion, four hundred million, nine hundred seventeen thousand, two hundred six".