61616605098 has 8 divisors (see below), whose sum is σ = 123233210208. Its totient is φ = 20538868364.

The previous prime is 61616605091. The next prime is 61616605129. The reversal of 61616605098 is 89050661616.

61616605098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61616605098 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61616605091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134717086 + ... + 5134717097.

It is an arithmetic number, because the mean of its divisors is an integer number (15404151276).

Almost surely, 2^61616605098 is an apocalyptic number.

61616605098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61616605098 is a wasteful number, since it uses less digits than its factorization.

61616605098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269434188.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 61616605098 in words is "sixty-one billion, six hundred sixteen million, six hundred five thousand, ninety-eight".