16420355 has 8 divisors (see below), whose sum is σ = 22519392. Its totient is φ = 11259648.

The previous prime is 16420333. The next prime is 16420373. The reversal of 16420355 is 55302461.

16420355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16420355 - 2¹⁴ = 16403971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234542 + ... + 234611.

It is an arithmetic number, because the mean of its divisors is an integer number (2814924).

Almost surely, 2^16420355 is an apocalyptic number.

16420355 is a deficient number, since it is larger than the sum of its proper divisors (6099037).

16420355 is an equidigital number, since it uses as much as digits as its factorization.

16420355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469165.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 16420355 is about 4052.2037214336. The cubic root of 16420355 is about 254.1718874976.

The spelling of 16420355 in words is "sixteen million, four hundred twenty thousand, three hundred fifty-five".