612056016 has 120 divisors (see below), whose sum is σ = 2012433696. Its totient is φ = 171198720.

The previous prime is 612056009. The next prime is 612056021. The reversal of 612056016 is 610650216.

It is a happy number.

It is a super-2 number, since 2×612056016² = 749225133443584512, which 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 23 ways as a sum of consecutive naturals, for example, 5731 + ... + 35453.

Almost surely, 2^612056016 is an apocalyptic number.

612056016 is a gapful number since it is divisible by the number (66) 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 612056016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006216848).

612056016 is an abundant number, since it is smaller than the sum of its proper divisors (1400377680).

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

612056016 is a wasteful number, since it uses less digits than its factorization.

612056016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29761 (or 29752 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 612056016 is about 24739.7658840984. The cubic root of 612056016 is about 849.0443774745.

The spelling of 612056016 in words is "six hundred twelve million, fifty-six thousand, sixteen".