616196643 has 8 divisors (see below), whose sum is σ = 823468800. Its totient is φ = 409861128.

The previous prime is 616196491. The next prime is 616196677. The reversal of 616196643 is 346691616.

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

It is not a de Polignac number, because 616196643 - 2¹² = 616192547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616196595 and 616196604.

It is not an unprimeable number, because it can be changed into a prime (616196683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232623 + ... + 235256.

It is an arithmetic number, because the mean of its divisors is an integer number (102933600).

Almost surely, 2^616196643 is an apocalyptic number.

616196643 is a deficient number, since it is larger than the sum of its proper divisors (207272157).

616196643 is a wasteful number, since it uses less digits than its factorization.

616196643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468321.

The product of its digits is 139968, while the sum is 42.

The square root of 616196643 is about 24823.3084620080. The cubic root of 616196643 is about 850.9547026133.

The spelling of 616196643 in words is "six hundred sixteen million, one hundred ninety-six thousand, six hundred forty-three".