61600769663 has 8 divisors (see below), whose sum is σ = 62699978016. Its totient is φ = 60504444000.

The previous prime is 61600769653. The next prime is 61600769683. The reversal of 61600769663 is 36696700616.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61600769663 - 2⁶ = 61600769599 is a prime.

It is a super-2 number, since 2×61600769663² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61600769653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677531 + ... + 763052.

It is an arithmetic number, because the mean of its divisors is an integer number (7837497252).

Almost surely, 2^61600769663 is an apocalyptic number.

61600769663 is a deficient number, since it is larger than the sum of its proper divisors (1099208353).

61600769663 is a wasteful number, since it uses less digits than its factorization.

61600769663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441345.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 61600769663 in words is "sixty-one billion, six hundred million, seven hundred sixty-nine thousand, six hundred sixty-three".