616496997 has 16 divisors (see below), whose sum is σ = 847536192. Its totient is φ = 398315520.

The previous prime is 616496987. The next prime is 616497023. The reversal of 616496997 is 799694616.

It is not a de Polignac number, because 616496997 - 2⁴ = 616496981 is a prime.

It is a super-3 number, since 3×616496997³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616496917) 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, 17722 + ... + 39332.

It is an arithmetic number, because the mean of its divisors is an integer number (52971012).

Almost surely, 2^616496997 is an apocalyptic number.

It is an amenable number.

616496997 is a deficient number, since it is larger than the sum of its proper divisors (231039195).

616496997 is a wasteful number, since it uses less digits than its factorization.

616496997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21908.

The product of its digits is 4408992, while the sum is 57.

The square root of 616496997 is about 24829.3575631751. The cubic root of 616496997 is about 851.0929410234.

The spelling of 616496997 in words is "six hundred sixteen million, four hundred ninety-six thousand, nine hundred ninety-seven".