612601056 has 72 divisors (see below), whose sum is σ = 1806628824. Its totient is φ = 204197760.

The previous prime is 612601051. The next prime is 612601063. The reversal of 612601056 is 650106216.

It is a happy number.

612601056 is a `hidden beast` number, since 6 + 1 + 2 + 601 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612601051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31615 + ... + 47166.

It is an arithmetic number, because the mean of its divisors is an integer number (25092067).

Almost surely, 2^612601056 is an apocalyptic number.

It is an amenable number.

612601056 is an abundant number, since it is smaller than the sum of its proper divisors (1194027768).

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

612601056 is an equidigital number, since it uses as much as digits as its factorization.

612601056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78806 (or 78786 counting only the distinct ones).

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

The square root of 612601056 is about 24750.7788968347. The cubic root of 612601056 is about 849.2963292778.

The spelling of 612601056 in words is "six hundred twelve million, six hundred one thousand, fifty-six".