16945130 has 8 divisors (see below), whose sum is σ = 30501252. Its totient is φ = 6778048.

The previous prime is 16945121. The next prime is 16945133. The reversal of 16945130 is 3154961.

It can be written as a sum of positive squares in 2 ways, for example, as 16736281 + 208849 = 4091^2 + 457^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16945093 and 16945102.

It is not an unprimeable number, because it can be changed into a prime (16945133) 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, 847247 + ... + 847266.

Almost surely, 2^16945130 is an apocalyptic number.

16945130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16945130 is a deficient number, since it is larger than the sum of its proper divisors (13556122).

16945130 is a wasteful number, since it uses less digits than its factorization.

16945130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694520.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16945130 is about 4116.4462828999. The cubic root of 16945130 is about 256.8512212505.

The spelling of 16945130 in words is "sixteen million, nine hundred forty-five thousand, one hundred thirty".