163040454 has 24 divisors (see below), whose sum is σ = 353578680. Its totient is φ = 54296928.

The previous prime is 163040401. The next prime is 163040473. The reversal of 163040454 is 454040361.

It is a super-2 number, since 2×163040454² = 53164379281052232, which contains 22 as substring.

It is a congruent number.

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, 19689 + ... + 26715.

It is an arithmetic number, because the mean of its divisors is an integer number (14732445).

Almost surely, 2^163040454 is an apocalyptic number.

163040454 is an abundant number, since it is smaller than the sum of its proper divisors (190538226).

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

163040454 is a wasteful number, since it uses less digits than its factorization.

163040454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 163040454 is about 12768.7295374285. The cubic root of 163040454 is about 546.3007440288.

The spelling of 163040454 in words is "one hundred sixty-three million, forty thousand, four hundred fifty-four".