163496745 has 16 divisors (see below), whose sum is σ = 290661120. Its totient is φ = 87198192.

The previous prime is 163496689. The next prime is 163496779. The reversal of 163496745 is 547694361.

163496745 is a `hidden beast` number, since 1 + 634 + 9 + 6 + 7 + 4 + 5 = 666.

It is not a de Polignac number, because 163496745 - 2¹¹ = 163494697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 163496745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605409 + ... + 605678.

It is an arithmetic number, because the mean of its divisors is an integer number (18166320).

Almost surely, 2^163496745 is an apocalyptic number.

163496745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163496745 is a deficient number, since it is larger than the sum of its proper divisors (127164375).

163496745 is a wasteful number, since it uses less digits than its factorization.

163496745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211101 (or 1211095 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 163496745 is about 12786.5845713388. The cubic root of 163496745 is about 546.8099017805.

The spelling of 163496745 in words is "one hundred sixty-three million, four hundred ninety-six thousand, seven hundred forty-five".