616206097 has 8 divisors (see below), whose sum is σ = 679792680. Its totient is φ = 554931840.

The previous prime is 616206091. The next prime is 616206109. The reversal of 616206097 is 790602616.

It can be written as a sum of positive squares in 4 ways, for example, as 49575681 + 566630416 = 7041^2 + 23804^2 .

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 616206097 - 2⁷ = 616205969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616206091) 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, 577522 + ... + 578587.

It is an arithmetic number, because the mean of its divisors is an integer number (84974085).

Almost surely, 2^616206097 is an apocalyptic number.

It is an amenable number.

616206097 is a deficient number, since it is larger than the sum of its proper divisors (63586583).

616206097 is a wasteful number, since it uses less digits than its factorization.

616206097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156163.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 616206097 is about 24823.4988871432. The cubic root of 616206097 is about 850.9590545166.

The spelling of 616206097 in words is "six hundred sixteen million, two hundred six thousand, ninety-seven".