163140675354 has 24 divisors (see below), whose sum is σ = 363024747540. Its totient is φ = 52910489088.

The previous prime is 163140675337. The next prime is 163140675371. The reversal of 163140675354 is 453576041361.

163140675354 is a `hidden beast` number, since 1 + 631 + 4 + 0 + 6 + 7 + 5 + 3 + 5 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (163140675337) and next prime (163140675371).

It can be written as a sum of positive squares in 2 ways, for example, as 158505108129 + 4635567225 = 398127^2 + 68085^2 .

It is a super-2 number, since 2×163140675354² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122477319 + ... + 122478650.

Almost surely, 2^163140675354 is an apocalyptic number.

163140675354 is an abundant number, since it is smaller than the sum of its proper divisors (199884072186).

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

163140675354 is a wasteful number, since it uses less digits than its factorization.

163140675354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244956014 (or 244956011 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 163140675354 in words is "one hundred sixty-three billion, one hundred forty million, six hundred seventy-five thousand, three hundred fifty-four".