616994450 has 12 divisors (see below), whose sum is σ = 1147609770. Its totient is φ = 246797760.

The previous prime is 616994449. The next prime is 616994453. The reversal of 616994450 is 54499616.

It can be written as a sum of positive squares in 3 ways, for example, as 289782529 + 327211921 = 17023^2 + 18089^2 .

It is not an unprimeable number, because it can be changed into a prime (616994453) 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 in 5 ways as a sum of consecutive naturals, for example, 6169895 + ... + 6169994.

Almost surely, 2^616994450 is an apocalyptic number.

616994450 is a deficient number, since it is larger than the sum of its proper divisors (530615320).

616994450 is a wasteful number, since it uses less digits than its factorization.

616994450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339901 (or 12339896 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 616994450 is about 24839.3729792038. The cubic root of 616994450 is about 851.3217958352.

The spelling of 616994450 in words is "six hundred sixteen million, nine hundred ninety-four thousand, four hundred fifty".