163914340 has 24 divisors (see below), whose sum is σ = 364469112. Its totient is φ = 61708800.

The previous prime is 163914337. The next prime is 163914347. The reversal of 163914340 is 43419361.

It can be written as a sum of positive squares in 4 ways, for example, as 13704804 + 150209536 = 3702^2 + 12256^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (163914347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240711 + ... + 241390.

It is an arithmetic number, because the mean of its divisors is an integer number (15186213).

Almost surely, 2^163914340 is an apocalyptic number.

163914340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163914340 is an abundant number, since it is smaller than the sum of its proper divisors (200554772).

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

163914340 is a wasteful number, since it uses less digits than its factorization.

163914340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482127 (or 482125 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 163914340 is about 12802.9035769235. The cubic root of 163914340 is about 547.2750505866.

The spelling of 163914340 in words is "one hundred sixty-three million, nine hundred fourteen thousand, three hundred forty".