61060606016 has 56 divisors (see below), whose sum is σ = 123313972320. Its totient is φ = 29993495552.

The previous prime is 61060606007. The next prime is 61060606063.

61060606016 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918740 + ... + 982956.

It is an arithmetic number, because the mean of its divisors is an integer number (2202035220).

Almost surely, 2^61060606016 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 61060606016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61656986160).

61060606016 is an abundant number, since it is smaller than the sum of its proper divisors (62253366304).

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

61060606016 is a wasteful number, since it uses less digits than its factorization.

61060606016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64491 (or 64481 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 61060606016 in words is "sixty-one billion, sixty million, six hundred six thousand, sixteen".