163780152 has 32 divisors (see below), whose sum is σ = 431001600. Its totient is φ = 51719904.

The previous prime is 163780151. The next prime is 163780153. The reversal of 163780152 is 251087361.

It is an interprime number because it is at equal distance from previous prime (163780151) and next prime (163780153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163780151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179128 + ... + 180039.

It is an arithmetic number, because the mean of its divisors is an integer number (13468800).

Almost surely, 2^163780152 is an apocalyptic number.

163780152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163780152 is an abundant number, since it is smaller than the sum of its proper divisors (267221448).

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

163780152 is a wasteful number, since it uses less digits than its factorization.

163780152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359195 (or 359191 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 163780152 is about 12797.6619739701. The cubic root of 163780152 is about 547.1256681033.

The spelling of 163780152 in words is "one hundred sixty-three million, seven hundred eighty thousand, one hundred fifty-two".