163061478 has 16 divisors (see below), whose sum is σ = 362358960. Its totient is φ = 54353808.

The previous prime is 163061453. The next prime is 163061491. The reversal of 163061478 is 874160361.

163061478 is a `hidden beast` number, since 1 + 6 + 30 + 614 + 7 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509775 + ... + 1509882.

It is an arithmetic number, because the mean of its divisors is an integer number (22647435).

Almost surely, 2^163061478 is an apocalyptic number.

163061478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

163061478 is an abundant number, since it is smaller than the sum of its proper divisors (199297482).

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

163061478 is a wasteful number, since it uses less digits than its factorization.

163061478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019668 (or 3019662 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 163061478 is about 12769.5527721217. The cubic root of 163061478 is about 546.3242247722.

The spelling of 163061478 in words is "one hundred sixty-three million, sixty-one thousand, four hundred seventy-eight".