616672953 has 16 divisors (see below), whose sum is σ = 983866240. Its totient is φ = 379490832.

The previous prime is 616672939. The next prime is 616672981. The reversal of 616672953 is 359276616.

616672953 is a `hidden beast` number, since 616 + 6 + 7 + 29 + 5 + 3 = 666.

616672953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616672953 - 2¹⁷ = 616541881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 616672899 and 616672908.

It is not an unprimeable number, because it can be changed into a prime (616674953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878101 + ... + 878802.

It is an arithmetic number, because the mean of its divisors is an integer number (61491640).

Almost surely, 2^616672953 is an apocalyptic number.

It is an amenable number.

616672953 is a deficient number, since it is larger than the sum of its proper divisors (367193287).

616672953 is a wasteful number, since it uses less digits than its factorization.

616672953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756925 (or 1756919 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 616672953 is about 24832.9006159168. The cubic root of 616672953 is about 851.1739041993.

It can be divided in two parts, 61667 and 2953, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 616672953 in words is "six hundred sixteen million, six hundred seventy-two thousand, nine hundred fifty-three".