61079616669 has 16 divisors (see below), whose sum is σ = 81647092800. Its totient is φ = 40616002560.

The previous prime is 61079616667. The next prime is 61079616677. The reversal of 61079616669 is 96661697016.

It is not a de Polignac number, because 61079616669 - 2¹ = 61079616667 is a prime.

It is a super-2 number, since 2×61079616669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61079616667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6065899 + ... + 6075959.

It is an arithmetic number, because the mean of its divisors is an integer number (5102943300).

Almost surely, 2^61079616669 is an apocalyptic number.

It is an amenable number.

61079616669 is a deficient number, since it is larger than the sum of its proper divisors (20567476131).

61079616669 is a wasteful number, since it uses less digits than its factorization.

61079616669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 61079616669 in words is "sixty-one billion, seventy-nine million, six hundred sixteen thousand, six hundred sixty-nine".