61601047707 has 16 divisors (see below), whose sum is σ = 84043653408. Its totient is φ = 40119555840.

The previous prime is 61601047681. The next prime is 61601047721. The reversal of 61601047707 is 70774010616.

It is not a de Polignac number, because 61601047707 - 2¹⁸ = 61600785563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61601047727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794344 + ... + 868437.

It is an arithmetic number, because the mean of its divisors is an integer number (5252728338).

Almost surely, 2^61601047707 is an apocalyptic number.

61601047707 is a deficient number, since it is larger than the sum of its proper divisors (22442605701).

61601047707 is a wasteful number, since it uses less digits than its factorization.

61601047707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663070.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 61601047707 in words is "sixty-one billion, six hundred one million, forty-seven thousand, seven hundred seven".