616672065 has 8 divisors (see below), whose sum is σ = 986675328. Its totient is φ = 328891760.

The previous prime is 616672061. The next prime is 616672079. The reversal of 616672065 is 560276616.

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

It is not a de Polignac number, because 616672065 - 2² = 616672061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616672061) 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, 20555721 + ... + 20555750.

It is an arithmetic number, because the mean of its divisors is an integer number (123334416).

Almost surely, 2^616672065 is an apocalyptic number.

It is an amenable number.

616672065 is a deficient number, since it is larger than the sum of its proper divisors (370003263).

616672065 is a wasteful number, since it uses less digits than its factorization.

616672065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111479.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 616672065 is about 24832.8827364042. The cubic root of 616672065 is about 851.1734956398.

The spelling of 616672065 in words is "six hundred sixteen million, six hundred seventy-two thousand, sixty-five".