616120438 has 16 divisors (see below), whose sum is σ = 942842880. Its totient is φ = 301893696.

The previous prime is 616120403. The next prime is 616120471. The reversal of 616120438 is 834021616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9483 + ... + 36361.

It is an arithmetic number, because the mean of its divisors is an integer number (58927680).

Almost surely, 2^616120438 is an apocalyptic number.

616120438 is a deficient number, since it is larger than the sum of its proper divisors (326722442).

616120438 is a wasteful number, since it uses less digits than its factorization.

616120438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27111.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 616120438 is about 24821.7734660519. The cubic root of 616120438 is about 850.9196219956.

The spelling of 616120438 in words is "six hundred sixteen million, one hundred twenty thousand, four hundred thirty-eight".