616212663 has 16 divisors (see below), whose sum is σ = 898909056. Its totient is φ = 372379040.

The previous prime is 616212647. The next prime is 616212703. The reversal of 616212663 is 366212616.

It is not a de Polignac number, because 616212663 - 2⁴ = 616212647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616212613) 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, 15456 + ... + 38357.

It is an arithmetic number, because the mean of its divisors is an integer number (56181816).

Almost surely, 2^616212663 is an apocalyptic number.

616212663 is a deficient number, since it is larger than the sum of its proper divisors (282696393).

616212663 is a wasteful number, since it uses less digits than its factorization.

616212663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54174.

The product of its digits is 15552, while the sum is 33.

The square root of 616212663 is about 24823.6311405080. The cubic root of 616212663 is about 850.9620769779.

The spelling of 616212663 in words is "six hundred sixteen million, two hundred twelve thousand, six hundred sixty-three".