616451942 has 8 divisors (see below), whose sum is σ = 940350600. Its totient is φ = 303001744.

The previous prime is 616451939. The next prime is 616451947. The reversal of 616451942 is 249154616.

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

It is a junction number, because it is equal to n+sod(n) for n = 616451896 and 616451905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616451947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611967 + ... + 2612202.

It is an arithmetic number, because the mean of its divisors is an integer number (117543825).

Almost surely, 2^616451942 is an apocalyptic number.

616451942 is a deficient number, since it is larger than the sum of its proper divisors (323898658).

616451942 is a wasteful number, since it uses less digits than its factorization.

616451942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224230.

The product of its digits is 51840, while the sum is 38.

The square root of 616451942 is about 24828.4502536908. The cubic root of 616451942 is about 851.0722072503.

The spelling of 616451942 in words is "six hundred sixteen million, four hundred fifty-one thousand, nine hundred forty-two".