616667222895 has 8 divisors (see below), whose sum is σ = 986667556656. Its totient is φ = 328889185536.

The previous prime is 616667222887. The next prime is 616667222909. The reversal of 616667222895 is 598222766616.

It is a happy number.

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

It is not a de Polignac number, because 616667222895 - 2³ = 616667222887 is a prime.

It is a super-2 number, since 2×616667222895² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20555574082 + ... + 20555574111.

It is an arithmetic number, because the mean of its divisors is an integer number (123333444582).

Almost surely, 2^616667222895 is an apocalyptic number.

616667222895 is a deficient number, since it is larger than the sum of its proper divisors (370000333761).

616667222895 is a wasteful number, since it uses less digits than its factorization.

616667222895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111148201.

The product of its digits is 26127360, while the sum is 60.

The spelling of 616667222895 in words is "six hundred sixteen billion, six hundred sixty-seven million, two hundred twenty-two thousand, eight hundred ninety-five".