1606754117 has 2 divisors, whose sum is σ = 1606754118. Its totient is φ = 1606754116.

The previous prime is 1606754063. The next prime is 1606754131. The reversal of 1606754117 is 7114576061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990423841 + 616330276 = 31471^2 + 24826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606754117 - 2¹² = 1606750021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606754147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803377058 + 803377059.

It is an arithmetic number, because the mean of its divisors is an integer number (803377059).

Almost surely, 2^1606754117 is an apocalyptic number.

It is an amenable number.

1606754117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606754117 is an equidigital number, since it uses as much as digits as its factorization.

1606754117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1606754117 is about 40084.3375522161. The cubic root of 1606754117 is about 1171.2505480943.

The spelling of 1606754117 in words is "one billion, six hundred six million, seven hundred fifty-four thousand, one hundred seventeen".