616869607 has 8 divisors (see below), whose sum is σ = 622493696. Its totient is φ = 611257752.

The previous prime is 616869581. The next prime is 616869613. The reversal of 616869607 is 706968616.

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

It is a cyclic number.

It is not a de Polignac number, because 616869607 - 2⁷ = 616869479 is a prime.

It is a super-2 number, since 2×616869607² = 761056224080668898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616869307) 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, 120298 + ... + 125320.

It is an arithmetic number, because the mean of its divisors is an integer number (77811712).

Almost surely, 2^616869607 is an apocalyptic number.

616869607 is a deficient number, since it is larger than the sum of its proper divisors (5624089).

616869607 is a wasteful number, since it uses less digits than its factorization.

616869607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 616869607 is about 24836.8598458018. The cubic root of 616869607 is about 851.2643729869.

Subtracting 616869607 from its reverse (706968616), we obtain a palindrome (90099009).

The spelling of 616869607 in words is "six hundred sixteen million, eight hundred sixty-nine thousand, six hundred seven".