602426161 has 16 divisors (see below), whose sum is σ = 655291728. Its totient is φ = 551577600.

The previous prime is 602426159. The next prime is 602426177. The reversal of 602426161 is 161624206.

It can be written as a sum of positive squares in 8 ways, for example, as 130667761 + 471758400 = 11431^2 + 21720^2 .

It is a 3-Lehmer number, since φ(602426161) divides (602426161-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 602426161 - 2¹ = 602426159 is a prime.

It is a deceptive number, since it divides R_602426160.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609426161) 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, 292411 + ... + 294463.

It is an arithmetic number, because the mean of its divisors is an integer number (40955733).

It is a Poulet number, since it divides 2^602426160-1.

Almost surely, 2^602426161 is an apocalyptic number.

It is an amenable number.

602426161 is a deficient number, since it is larger than the sum of its proper divisors (52865567).

602426161 is a wasteful number, since it uses less digits than its factorization.

602426161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 602426161 is about 24544.3712691933. The cubic root of 602426161 is about 844.5679716755.

The spelling of 602426161 in words is "six hundred two million, four hundred twenty-six thousand, one hundred sixty-one".