61054560616 has 16 divisors (see below), whose sum is σ = 130831201440. Its totient is φ = 26166240240.

The previous prime is 61054560607. The next prime is 61054560641. The reversal of 61054560616 is 61606545016.

It is a super-4 number, since 4×61054560616⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545129950 + ... + 545130061.

It is an arithmetic number, because the mean of its divisors is an integer number (8176950090).

Almost surely, 2^61054560616 is an apocalyptic number.

It is an amenable number.

61054560616 is an abundant number, since it is smaller than the sum of its proper divisors (69776640824).

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

61054560616 is a wasteful number, since it uses less digits than its factorization.

61054560616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090260024 (or 1090260020 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 61054560616 in words is "sixty-one billion, fifty-four million, five hundred sixty thousand, six hundred sixteen".