163790013 has 8 divisors (see below), whose sum is σ = 229880800. Its totient is φ = 103446288.

The previous prime is 163789979. The next prime is 163790017. The reversal of 163790013 is 310097361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163790013 - 2⁸ = 163789757 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 (163790017) 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, 1436698 + ... + 1436811.

It is an arithmetic number, because the mean of its divisors is an integer number (28735100).

Almost surely, 2^163790013 is an apocalyptic number.

It is an amenable number.

163790013 is a deficient number, since it is larger than the sum of its proper divisors (66090787).

163790013 is a wasteful number, since it uses less digits than its factorization.

163790013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873531.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 163790013 is about 12798.0472338556. The cubic root of 163790013 is about 547.1366484691.

The spelling of 163790013 in words is "one hundred sixty-three million, seven hundred ninety thousand, thirteen".