16988054 has 4 divisors (see below), whose sum is σ = 25482084. Its totient is φ = 8494026.

The previous prime is 16988011. The next prime is 16988077. The reversal of 16988054 is 45088961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45088961 = 73 ⋅617657.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247012 + ... + 4247015.

It is an arithmetic number, because the mean of its divisors is an integer number (6370521).

Almost surely, 2^16988054 is an apocalyptic number.

16988054 is a deficient number, since it is larger than the sum of its proper divisors (8494030).

16988054 is an equidigital number, since it uses as much as digits as its factorization.

16988054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494029.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 16988054 is about 4121.6567057435. The cubic root of 16988054 is about 257.0679164627.

The spelling of 16988054 in words is "sixteen million, nine hundred eighty-eight thousand, fifty-four".