611649612230 has 16 divisors (see below), whose sum is σ = 1117401680880. Its totient is φ = 241008205152.

The previous prime is 611649612227. The next prime is 611649612323. The reversal of 611649612230 is 32216946116.

It is a super-2 number, since 2×611649612230² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 456454265 + ... + 456455604.

It is an arithmetic number, because the mean of its divisors is an integer number (69837605055).

Almost surely, 2^611649612230 is an apocalyptic number.

611649612230 is a deficient number, since it is larger than the sum of its proper divisors (505752068650).

611649612230 is a wasteful number, since it uses less digits than its factorization.

611649612230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912909943.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 611649612230 in words is "six hundred eleven billion, six hundred forty-nine million, six hundred twelve thousand, two hundred thirty".