16951121 has 8 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 15322240.

The previous prime is 16951087. The next prime is 16951127. The reversal of 16951121 is 12115961.

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

It is a cyclic number.

It is not a de Polignac number, because 16951121 - 2¹⁸ = 16688977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16951127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (2324700).

Almost surely, 2^16951121 is an apocalyptic number.

16951121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16951121 is a deficient number, since it is larger than the sum of its proper divisors (1646479).

16951121 is a wasteful number, since it uses less digits than its factorization.

16951121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its digits is 540, while the sum is 26.

The square root of 16951121 is about 4117.1739093704. The cubic root of 16951121 is about 256.8814878493.

The spelling of 16951121 in words is "sixteen million, nine hundred fifty-one thousand, one hundred twenty-one".