61163717 has 8 divisors (see below), whose sum is σ = 64468800. Its totient is φ = 57867264.

The previous prime is 61163699. The next prime is 61163723. The reversal of 61163717 is 71736116.

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 61163717 - 2¹⁶ = 61098181 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 (61163747) 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, 16709 + ... + 20037.

It is an arithmetic number, because the mean of its divisors is an integer number (8058600).

Almost surely, 2^61163717 is an apocalyptic number.

It is an amenable number.

61163717 is a deficient number, since it is larger than the sum of its proper divisors (3305083).

61163717 is a wasteful number, since it uses less digits than its factorization.

61163717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its digits is 5292, while the sum is 32.

The square root of 61163717 is about 7820.7235598760. The cubic root of 61163717 is about 394.0015739413.

The spelling of 61163717 in words is "sixty-one million, one hundred sixty-three thousand, seven hundred seventeen".