163257416 has 24 divisors (see below), whose sum is σ = 356085270. Its totient is φ = 69967296.

The previous prime is 163257407. The next prime is 163257421. The reversal of 163257416 is 614752361.

It can be written as a sum of positive squares in only one way, i.e., 162664516 + 592900 = 12754^2 + 770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207845 + ... + 208628.

Almost surely, 2^163257416 is an apocalyptic number.

It is an amenable number.

163257416 is an abundant number, since it is smaller than the sum of its proper divisors (192827854).

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

163257416 is a wasteful number, since it uses less digits than its factorization.

163257416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416493 (or 416482 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 163257416 is about 12777.2225463909. Note that the first 3 decimals coincide. The cubic root of 163257416 is about 546.5429619622.

The spelling of 163257416 in words is "one hundred sixty-three million, two hundred fifty-seven thousand, four hundred sixteen".