6216616121254 has 32 divisors (see below), whose sum is σ = 11728763421696. Its totient is φ = 2400624078720.

The previous prime is 6216616121251. The next prime is 6216616121323. The reversal of 6216616121254 is 4521216166126.

It is a self number, because there is not a number n which added to its sum of digits gives 6216616121254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216616121251) 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, 178600462 + ... + 178635265.

It is an arithmetic number, because the mean of its divisors is an integer number (366523856928).

Almost surely, 2^{6216616121254} is an apocalyptic number.

6216616121254 is a deficient number, since it is larger than the sum of its proper divisors (5512147300442).

6216616121254 is a wasteful number, since it uses less digits than its factorization.

6216616121254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357235860.

The product of its digits is 207360, while the sum is 43.

The spelling of 6216616121254 in words is "six trillion, two hundred sixteen billion, six hundred sixteen million, one hundred twenty-one thousand, two hundred fifty-four".