16399070 has 8 divisors (see below), whose sum is σ = 29518344. Its totient is φ = 6559624.

The previous prime is 16399063. The next prime is 16399079. The reversal of 16399070 is 7099361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16399070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16399079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819944 + ... + 819963.

It is an arithmetic number, because the mean of its divisors is an integer number (3689793).

Almost surely, 2^16399070 is an apocalyptic number.

16399070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16399070 is a deficient number, since it is larger than the sum of its proper divisors (13119274).

16399070 is a wasteful number, since it uses less digits than its factorization.

16399070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639914.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 16399070 is about 4049.5765210698. The cubic root of 16399070 is about 254.0620159812.

The spelling of 16399070 in words is "sixteen million, three hundred ninety-nine thousand, seventy".