664154141306 has 16 divisors (see below), whose sum is σ = 998186161128. Its totient is φ = 331425561600.

The previous prime is 664154141303. The next prime is 664154141359. The reversal of 664154141306 is 603141451466.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 598056302281 + 66097839025 = 773341^2 + 257095^2 .

It is a super-2 number, since 2×664154141306² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (664154141303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11137586 + ... + 11197058.

Almost surely, 2^664154141306 is an apocalyptic number.

664154141306 is a deficient number, since it is larger than the sum of its proper divisors (334032019822).

664154141306 is a wasteful number, since it uses less digits than its factorization.

664154141306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70337.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 664154141306 in words is "six hundred sixty-four billion, one hundred fifty-four million, one hundred forty-one thousand, three hundred six".