61906526352 has 120 divisors (see below), whose sum is σ = 189156464640. Its totient is φ = 18744272640.

The previous prime is 61906526333. The next prime is 61906526399. The reversal of 61906526352 is 25362560916.

61906526352 is a `hidden beast` number, since 6 + 1 + 9 + 0 + 6 + 5 + 2 + 635 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61906526298 and 61906526307.

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, 2010658 + ... + 2041214.

It is an arithmetic number, because the mean of its divisors is an integer number (1576303872).

Almost surely, 2^61906526352 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 61906526352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94578232320).

61906526352 is an abundant number, since it is smaller than the sum of its proper divisors (127249938288).

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

61906526352 is a wasteful number, since it uses less digits than its factorization.

61906526352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861 (or 31852 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 61906526352 in words is "sixty-one billion, nine hundred six million, five hundred twenty-six thousand, three hundred fifty-two".