612188285461 has 16 divisors (see below), whose sum is σ = 620104925440. Its totient is φ = 604311321600.

The previous prime is 612188285411. The next prime is 612188285473. The reversal of 612188285461 is 164582881216.

It is a cyclic number.

It is not a de Polignac number, because 612188285461 - 2⁹ = 612188284949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612188285399 and 612188285408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612188285411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127510261 + ... + 127515061.

It is an arithmetic number, because the mean of its divisors is an integer number (38756557840).

Almost surely, 2^612188285461 is an apocalyptic number.

It is an amenable number.

612188285461 is a deficient number, since it is larger than the sum of its proper divisors (7916639979).

612188285461 is a wasteful number, since it uses less digits than its factorization.

612188285461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596.

The product of its digits is 1474560, while the sum is 52.

The spelling of 612188285461 in words is "six hundred twelve billion, one hundred eighty-eight million, two hundred eighty-five thousand, four hundred sixty-one".