163402356 has 96 divisors (see below), whose sum is σ = 447350400. Its totient is φ = 45964800.

The previous prime is 163402331. The next prime is 163402363. The reversal of 163402356 is 653204361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85006 + ... + 86906.

It is an arithmetic number, because the mean of its divisors is an integer number (4659900).

Almost surely, 2^163402356 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 163402356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223675200).

163402356 is an abundant number, since it is smaller than the sum of its proper divisors (283948044).

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

163402356 is a wasteful number, since it uses less digits than its factorization.

163402356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 163402356 is about 12782.8930997642. The cubic root of 163402356 is about 546.7046544756.

The spelling of 163402356 in words is "one hundred sixty-three million, four hundred two thousand, three hundred fifty-six".