163378260 has 36 divisors (see below), whose sum is σ = 495581268. Its totient is φ = 43567488.

The previous prime is 163378219. The next prime is 163378309. The reversal of 163378260 is 62873361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118461456 + 44916804 = 10884^2 + 6702^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453649 + ... + 454008.

Almost surely, 2^163378260 is an apocalyptic number.

163378260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163378260 is an abundant number, since it is smaller than the sum of its proper divisors (332203008).

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

163378260 is a wasteful number, since it uses less digits than its factorization.

163378260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907672 (or 907667 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 163378260 is about 12781.9505553730. The cubic root of 163378260 is about 546.6777800305.

The spelling of 163378260 in words is "one hundred sixty-three million, three hundred seventy-eight thousand, two hundred sixty".