163196420 has 12 divisors (see below), whose sum is σ = 342712524. Its totient is φ = 65278560.

The previous prime is 163196417. The next prime is 163196461. The reversal of 163196420 is 24691361.

It can be written as a sum of positive squares in 2 ways, for example, as 27520516 + 135675904 = 5246^2 + 11648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079891 + ... + 4079930.

It is an arithmetic number, because the mean of its divisors is an integer number (28559377).

Almost surely, 2^163196420 is an apocalyptic number.

163196420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163196420 is an abundant number, since it is smaller than the sum of its proper divisors (179516104).

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

163196420 is a wasteful number, since it uses less digits than its factorization.

163196420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159830 (or 8159828 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 163196420 is about 12774.8354196835. The cubic root of 163196420 is about 546.4748872861.

The spelling of 163196420 in words is "one hundred sixty-three million, one hundred ninety-six thousand, four hundred twenty".