163255132340 has 12 divisors (see below), whose sum is σ = 342835777956. Its totient is φ = 65302052928.

The previous prime is 163255132333. The next prime is 163255132357. The reversal of 163255132340 is 43231552361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51927471376 + 111327660964 = 227876^2 + 333658^2 .

It is a super-3 number, since 3×163255132340³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163255132340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081378289 + ... + 4081378328.

It is an arithmetic number, because the mean of its divisors is an integer number (28569648163).

Almost surely, 2^163255132340 is an apocalyptic number.

163255132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163255132340 is an abundant number, since it is smaller than the sum of its proper divisors (179580645616).

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

163255132340 is a wasteful number, since it uses less digits than its factorization.

163255132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162756626 (or 8162756624 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 163255132340 in words is "one hundred sixty-three billion, two hundred fifty-five million, one hundred thirty-two thousand, three hundred forty".