16480778 has 8 divisors (see below), whose sum is σ = 25518720. Its totient is φ = 7974540.

The previous prime is 16480777. The next prime is 16480801. The reversal of 16480778 is 87708461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16480777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132848 + ... + 132971.

It is an arithmetic number, because the mean of its divisors is an integer number (3189840).

Almost surely, 2^16480778 is an apocalyptic number.

16480778 is a deficient number, since it is larger than the sum of its proper divisors (9037942).

16480778 is a wasteful number, since it uses less digits than its factorization.

16480778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265852.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 16480778 is about 4059.6524481783. The cubic root of 16480778 is about 254.4832698979.

The spelling of 16480778 in words is "sixteen million, four hundred eighty thousand, seven hundred seventy-eight".