61925418792 has 96 divisors (see below), whose sum is σ = 176951174400. Its totient is φ = 19510046208.

The previous prime is 61925418769. The next prime is 61925418823. The reversal of 61925418792 is 29781452916.

It is a happy number.

61925418792 is a `hidden beast` number, since 6 + 1 + 9 + 2 + 541 + 8 + 7 + 92 = 666.

61925418792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540073 + ... + 644615.

It is an arithmetic number, because the mean of its divisors is an integer number (1843241400).

Almost surely, 2^61925418792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61925418792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88475587200).

61925418792 is an abundant number, since it is smaller than the sum of its proper divisors (115025755608).

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

61925418792 is a wasteful number, since it uses less digits than its factorization.

61925418792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105007 (or 105000 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 61925418792 in words is "sixty-one billion, nine hundred twenty-five million, four hundred eighteen thousand, seven hundred ninety-two".