616630145211 has 48 divisors (see below), whose sum is σ = 993079751040. Its totient is φ = 366407919360.

The previous prime is 616630145189. The next prime is 616630145221. The reversal of 616630145211 is 112541036616.

616630145211 is a `hidden beast` number, since 6 + 1 + 6 + 630 + 1 + 4 + 5 + 2 + 11 = 666.

It is not a de Polignac number, because 616630145211 - 2⁵ = 616630145179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616630145221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8227296 + ... + 8301906.

It is an arithmetic number, because the mean of its divisors is an integer number (20689161480).

Almost surely, 2^616630145211 is an apocalyptic number.

616630145211 is a deficient number, since it is larger than the sum of its proper divisors (376449605829).

616630145211 is a wasteful number, since it uses less digits than its factorization.

616630145211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77496 (or 77493 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 616630145211 in words is "six hundred sixteen billion, six hundred thirty million, one hundred forty-five thousand, two hundred eleven".