16695420 has 96 divisors (see below), whose sum is σ = 54018048. Its totient is φ = 3773952.

The previous prime is 16695397. The next prime is 16695443. The reversal of 16695420 is 2459661.

It is an interprime number because it is at equal distance from previous prime (16695397) and next prime (16695443).

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, 53184 + ... + 53496.

It is an arithmetic number, because the mean of its divisors is an integer number (562688).

Almost surely, 2^16695420 is an apocalyptic number.

16695420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16695420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27009024).

16695420 is an abundant number, since it is smaller than the sum of its proper divisors (37322628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16695420 is a wasteful number, since it uses less digits than its factorization.

16695420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 16695420 is about 4086.0029368565. The cubic root of 16695420 is about 255.5832860758.

The spelling of 16695420 in words is "sixteen million, six hundred ninety-five thousand, four hundred twenty".