61216880170 has 16 divisors (see below), whose sum is σ = 113744913408. Its totient is φ = 23696856720.

The previous prime is 61216880113. The next prime is 61216880177. The reversal of 61216880170 is 7108861216.

61216880170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61216880177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98736594 + ... + 98737213.

It is an arithmetic number, because the mean of its divisors is an integer number (7109057088).

Almost surely, 2^61216880170 is an apocalyptic number.

61216880170 is a deficient number, since it is larger than the sum of its proper divisors (52528033238).

61216880170 is a wasteful number, since it uses less digits than its factorization.

61216880170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197473845.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 61216880170 in words is "sixty-one billion, two hundred sixteen million, eight hundred eighty thousand, one hundred seventy".