16323457402 has 32 divisors (see below), whose sum is σ = 29183616000. Its totient is φ = 6700285440.

The previous prime is 16323457399. The next prime is 16323457429. The reversal of 16323457402 is 20475432361.

It is a super-3 number, since 3×16323457402³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151777 + ... + 235972.

It is an arithmetic number, because the mean of its divisors is an integer number (911988000).

Almost surely, 2^16323457402 is an apocalyptic number.

16323457402 is a deficient number, since it is larger than the sum of its proper divisors (12860158598).

16323457402 is a wasteful number, since it uses less digits than its factorization.

16323457402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387886.

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 16323457402 its reverse (20475432361), we get a palindrome (36798889763).

The spelling of 16323457402 in words is "sixteen billion, three hundred twenty-three million, four hundred fifty-seven thousand, four hundred two".