61634198475260 has 48 divisors (see below), whose sum is σ = 140749384273344. Its totient is φ = 22576342330368.

The previous prime is 61634198475253. The next prime is 61634198475373. The reversal of 61634198475260 is 6257489143616.

It is a junction number, because it is equal to n+sod(n) for n = 61634198475193 and 61634198475202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449677344 + ... + 2449702503.

It is an arithmetic number, because the mean of its divisors is an integer number (2932278839028).

It is a 1-persistent number, because it is pandigital, but 2⋅61634198475260 = 123268396950520 is not.

Almost surely, 2^{61634198475260} is an apocalyptic number.

It is an amenable number.

61634198475260 is an abundant number, since it is smaller than the sum of its proper divisors (79115185798084).

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

61634198475260 is a wasteful number, since it uses less digits than its factorization.

61634198475260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899379910 (or 4899379908 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 61634198475260 in words is "sixty-one trillion, six hundred thirty-four billion, one hundred ninety-eight million, four hundred seventy-five thousand, two hundred sixty".