163420700 has 36 divisors (see below), whose sum is σ = 359633232. Its totient is φ = 64444800.

The previous prime is 163420693. The next prime is 163420721. The reversal of 163420700 is 7024361.

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, 4409 + ... + 18608.

It is an arithmetic number, because the mean of its divisors is an integer number (9989812).

Almost surely, 2^163420700 is an apocalyptic number.

163420700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163420700 is an abundant number, since it is smaller than the sum of its proper divisors (196212532).

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

163420700 is a wasteful number, since it uses less digits than its factorization.

163420700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102 (or 23095 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 163420700 is about 12783.6106010782. The cubic root of 163420700 is about 546.7251119019.

The spelling of 163420700 in words is "one hundred sixty-three million, four hundred twenty thousand, seven hundred".