16400602 has 8 divisors (see below), whose sum is σ = 25449300. Its totient is φ = 7917504.

The previous prime is 16400567. The next prime is 16400609. The reversal of 16400602 is 20600461.

16400602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16088121 + 312481 = 4011^2 + 559^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16400602.

It is not an unprimeable number, because it can be changed into a prime (16400609) 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, 141327 + ... + 141442.

Almost surely, 2^16400602 is an apocalyptic number.

16400602 is a deficient number, since it is larger than the sum of its proper divisors (9048698).

16400602 is a wasteful number, since it uses less digits than its factorization.

16400602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282800.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16400602 is about 4049.7656722334. The cubic root of 16400602 is about 254.0699272202.

The spelling of 16400602 in words is "sixteen million, four hundred thousand, six hundred two".