163615396 has 48 divisors (see below), whose sum is σ = 339655680. Its totient is φ = 67484160.

The previous prime is 163615393. The next prime is 163615409. The reversal of 163615396 is 693516361.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (163615391) 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, 201840 + ... + 202648.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^163615396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163615396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169827840).

163615396 is an abundant number, since it is smaller than the sum of its proper divisors (176040284).

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

163615396 is a wasteful number, since it uses less digits than its factorization.

163615396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 163615396 is about 12791.2233973143. The cubic root of 163615396 is about 546.9421446852.

The spelling of 163615396 in words is "one hundred sixty-three million, six hundred fifteen thousand, three hundred ninety-six".