16945250343015 has 32 divisors (see below), whose sum is σ = 27486903444480. Its totient is φ = 8912893451904.

The previous prime is 16945250342987. The next prime is 16945250343029. The reversal of 16945250343015 is 51034305254961.

It is not a de Polignac number, because 16945250343015 - 2⁷ = 16945250342887 is a prime.

It is a super-3 number, since 3×16945250343015³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7113429 + ... + 9191918.

It is an arithmetic number, because the mean of its divisors is an integer number (858965732640).

Almost surely, 2^{16945250343015} is an apocalyptic number.

16945250343015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16945250343015 is a deficient number, since it is larger than the sum of its proper divisors (10541653101465).

16945250343015 is a wasteful number, since it uses less digits than its factorization.

16945250343015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306311.

The product of its (nonzero) digits is 1944000, while the sum is 48.

Adding to 16945250343015 its reverse (51034305254961), we get a palindrome (67979555597976).

The spelling of 16945250343015 in words is "sixteen trillion, nine hundred forty-five billion, two hundred fifty million, three hundred forty-three thousand, fifteen".