1606327774464 has 72 divisors (see below), whose sum is σ = 4885913663680. Its totient is φ = 458950791168.

The previous prime is 1606327774439. The next prime is 1606327774489. The reversal of 1606327774464 is 4644777236061.

It is an interprime number because it is at equal distance from previous prime (1606327774439) and next prime (1606327774489).

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, 149392669 + ... + 149403420.

Almost surely, 2^{1606327774464} is an apocalyptic number.

1606327774464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1606327774464 is an abundant number, since it is smaller than the sum of its proper divisors (3279585889216).

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

1606327774464 is an equidigital number, since it uses as much as digits as its factorization.

1606327774464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298796115 (or 298796101 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 57.

The spelling of 1606327774464 in words is "one trillion, six hundred six billion, three hundred twenty-seven million, seven hundred seventy-four thousand, four hundred sixty-four".