16420370 has 16 divisors (see below), whose sum is σ = 31112640. Its totient is φ = 6222384.

The previous prime is 16420333. The next prime is 16420373. The reversal of 16420370 is 7302461.

16420370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16420373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43022 + ... + 43401.

It is an arithmetic number, because the mean of its divisors is an integer number (1944540).

Almost surely, 2^16420370 is an apocalyptic number.

16420370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16420370 is a deficient number, since it is larger than the sum of its proper divisors (14692270).

16420370 is a wasteful number, since it uses less digits than its factorization.

16420370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86449.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 16420370 is about 4052.2055722779. The cubic root of 16420370 is about 254.1719648930.

The spelling of 16420370 in words is "sixteen million, four hundred twenty thousand, three hundred seventy".