61704031667 has 8 divisors (see below), whose sum is σ = 61992126000. Its totient is φ = 61416573984.

The previous prime is 61704031663. The next prime is 61704031679. The reversal of 61704031667 is 76613040716.

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 61704031667 - 2² = 61704031663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61704031663) 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, 35684 + ... + 353102.

It is an arithmetic number, because the mean of its divisors is an integer number (7749015750).

Almost surely, 2^61704031667 is an apocalyptic number.

61704031667 is a deficient number, since it is larger than the sum of its proper divisors (288094333).

61704031667 is a wasteful number, since it uses less digits than its factorization.

61704031667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318325.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 61704031667 in words is "sixty-one billion, seven hundred four million, thirty-one thousand, six hundred sixty-seven".