16890685395 has 32 divisors (see below), whose sum is σ = 27612168192. Its totient is φ = 8812843392.

The previous prime is 16890685373. The next prime is 16890685423. The reversal of 16890685395 is 59358609861.

It is not a de Polignac number, because 16890685395 - 2¹² = 16890681299 is a prime.

It is a super-2 number, since 2×16890685395² (a number of 21 digits) contains 22 as substring.

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, 2374414 + ... + 2381516.

It is an arithmetic number, because the mean of its divisors is an integer number (862880256).

Almost surely, 2^16890685395 is an apocalyptic number.

16890685395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16890685395 is a deficient number, since it is larger than the sum of its proper divisors (10721482797).

16890685395 is a wasteful number, since it uses less digits than its factorization.

16890685395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 16890685395 in words is "sixteen billion, eight hundred ninety million, six hundred eighty-five thousand, three hundred ninety-five".