1039661718 has 16 divisors (see below), whose sum is σ = 2079888816. Its totient is φ = 346459680.

The previous prime is 1039661717. The next prime is 1039661731. The reversal of 1039661718 is 8171669301.

It is a self number, because there is not a number n which added to its sum of digits gives 1039661718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039661717) 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, 2580 + ... + 45672.

It is an arithmetic number, because the mean of its divisors is an integer number (129993051).

Almost surely, 2^1039661718 is an apocalyptic number.

1039661718 is an abundant number, since it is smaller than the sum of its proper divisors (1040227098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1039661718 is a wasteful number, since it uses less digits than its factorization.

1039661718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47119.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1039661718 is about 32243.7857268653. The cubic root of 1039661718 is about 1013.0495413982.

The spelling of 1039661718 in words is "one billion, thirty-nine million, six hundred sixty-one thousand, seven hundred eighteen".