170978016 has 48 divisors (see below), whose sum is σ = 489621888. Its totient is φ = 51811200.

The previous prime is 170977987. The next prime is 170978023. The reversal of 170978016 is 610879071.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79900 + ... + 82011.

It is an arithmetic number, because the mean of its divisors is an integer number (10200456).

Almost surely, 2^170978016 is an apocalyptic number.

170978016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

170978016 is an abundant number, since it is smaller than the sum of its proper divisors (318643872).

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

170978016 is a wasteful number, since it uses less digits than its factorization.

170978016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161935 (or 161927 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 170978016 is about 13075.8562243549. The cubic root of 170978016 is about 555.0261232733.

The spelling of 170978016 in words is "one hundred seventy million, nine hundred seventy-eight thousand, sixteen".