616326406 has 4 divisors (see below), whose sum is σ = 924489612. Its totient is φ = 308163202.

The previous prime is 616326401. The next prime is 616326419. The reversal of 616326406 is 604623616.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616326401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154081600 + ... + 154081603.

It is an arithmetic number, because the mean of its divisors is an integer number (231122403).

Almost surely, 2^616326406 is an apocalyptic number.

616326406 is a deficient number, since it is larger than the sum of its proper divisors (308163206).

616326406 is a wasteful number, since it uses less digits than its factorization.

616326406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308163205.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 616326406 is about 24825.9220573980. The cubic root of 616326406 is about 851.0144317523.

The spelling of 616326406 in words is "six hundred sixteen million, three hundred twenty-six thousand, four hundred six".