163369494 has 16 divisors (see below), whose sum is σ = 363043440. Its totient is φ = 54456480.

The previous prime is 163369477. The next prime is 163369511. The reversal of 163369494 is 494963361.

163369494 is a `hidden beast` number, since 1 + 633 + 6 + 9 + 4 + 9 + 4 = 666.

163369494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163369477) and next prime (163369511).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512627 + ... + 1512734.

It is an arithmetic number, because the mean of its divisors is an integer number (22690215).

Almost surely, 2^163369494 is an apocalyptic number.

163369494 is an abundant number, since it is smaller than the sum of its proper divisors (199673946).

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

163369494 is a wasteful number, since it uses less digits than its factorization.

163369494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025372 (or 3025366 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 163369494 is about 12781.6076453629. The cubic root of 163369494 is about 546.6680025911.

The spelling of 163369494 in words is "one hundred sixty-three million, three hundred sixty-nine thousand, four hundred ninety-four".