612206381726160 has 640 divisors, whose sum is σ = 2078700190672896. Its totient is φ = 148135602954240.

The previous prime is 612206381726131. The next prime is 612206381726183. The reversal of 612206381726160 is 61627183602216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 389692158175 + ... + 389692159745.

Almost surely, 2^{612206381726160} is an apocalyptic number.

612206381726160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612206381726160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039350095336448).

612206381726160 is an abundant number, since it is smaller than the sum of its proper divisors (1466493808946736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612206381726160 is a wasteful number, since it uses less digits than its factorization.

612206381726160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 612206381726160 in words is "six hundred twelve trillion, two hundred six billion, three hundred eighty-one million, seven hundred twenty-six thousand, one hundred sixty".