116660545 has 16 divisors (see below), whose sum is σ = 148493520. Its totient is φ = 87681024.

The previous prime is 116660543. The next prime is 116660563. The reversal of 116660545 is 545066611.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1763584 + 114896961 = 1328^2 + 10719^2 .

It is a cyclic number.

It is not a de Polignac number, because 116660545 - 2¹ = 116660543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116660545.

It is not an unprimeable number, because it can be changed into a prime (116660543) 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, 71701 + ... + 73309.

It is an arithmetic number, because the mean of its divisors is an integer number (9280845).

Almost surely, 2^116660545 is an apocalyptic number.

It is an amenable number.

116660545 is a deficient number, since it is larger than the sum of its proper divisors (31832975).

116660545 is a wasteful number, since it uses less digits than its factorization.

116660545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 116660545 is about 10800.9511155268. The cubic root of 116660545 is about 488.6238563965.

The spelling of 116660545 in words is "one hundred sixteen million, six hundred sixty thousand, five hundred forty-five".