61690568640703 has 8 divisors (see below), whose sum is σ = 63492028992000. Its totient is φ = 59914303539288.

The previous prime is 61690568640691. The next prime is 61690568640721. The reversal of 61690568640703 is 30704686509616.

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 61690568640703 - 2³³ = 61681978706111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61690568440703) 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, 6298807503 + ... + 6298817296.

It is an arithmetic number, because the mean of its divisors is an integer number (7936503624000).

Almost surely, 2^{61690568640703} is an apocalyptic number.

61690568640703 is a deficient number, since it is larger than the sum of its proper divisors (1801460351297).

61690568640703 is a wasteful number, since it uses less digits than its factorization.

61690568640703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597624941.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 61690568640703 in words is "sixty-one trillion, six hundred ninety billion, five hundred sixty-eight million, six hundred forty thousand, seven hundred three".