1013642161 has 8 divisors (see below), whose sum is σ = 1169918784. Its totient is φ = 860233200.

The previous prime is 1013642159. The next prime is 1013642171. The reversal of 1013642161 is 1612463101.

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 1013642161 - 2¹ = 1013642159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013642111) 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, 716155 + ... + 717568.

It is an arithmetic number, because the mean of its divisors is an integer number (146239848).

Almost surely, 2^1013642161 is an apocalyptic number.

It is an amenable number.

1013642161 is a deficient number, since it is larger than the sum of its proper divisors (156276623).

1013642161 is a wasteful number, since it uses less digits than its factorization.

1013642161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433831.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1013642161 is about 31837.7474234595. The cubic root of 1013642161 is about 1004.5268635839.

The spelling of 1013642161 in words is "one billion, thirteen million, six hundred forty-two thousand, one hundred sixty-one".