163450700 has 72 divisors (see below), whose sum is σ = 409473792. Its totient is φ = 55471680.

The previous prime is 163450691. The next prime is 163450717. The reversal of 163450700 is 7054361.

It is a super-2 number, since 2×163450700² = 53432262660980000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163450700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70967 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (5687136).

Almost surely, 2^163450700 is an apocalyptic number.

163450700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163450700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204736896).

163450700 is an abundant number, since it is smaller than the sum of its proper divisors (246023092).

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

163450700 is a wasteful number, since it uses less digits than its factorization.

163450700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 163450700 is about 12784.7839246504. The cubic root of 163450700 is about 546.7585649259.

The spelling of 163450700 in words is "one hundred sixty-three million, four hundred fifty thousand, seven hundred".