616223671 has 16 divisors (see below), whose sum is σ = 721486080. Its totient is φ = 515401920.

The previous prime is 616223653. The next prime is 616223711. The reversal of 616223671 is 176322616.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 616223671 - 2²⁷ = 482005943 is a prime.

It is a super-2 number, since 2×616223671² = 759463225401432482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616223171) 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, 51136 + ... + 62026.

It is an arithmetic number, because the mean of its divisors is an integer number (45092880).

Almost surely, 2^616223671 is an apocalyptic number.

616223671 is a deficient number, since it is larger than the sum of its proper divisors (105262409).

616223671 is a wasteful number, since it uses less digits than its factorization.

616223671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094.

The product of its digits is 18144, while the sum is 34.

The square root of 616223671 is about 24823.8528637277. The cubic root of 616223671 is about 850.9671441327.

The spelling of 616223671 in words is "six hundred sixteen million, two hundred twenty-three thousand, six hundred seventy-one".