163272465 has 24 divisors (see below), whose sum is σ = 292766760. Its totient is φ = 84075264.

The previous prime is 163272463. The next prime is 163272467. The reversal of 163272465 is 564272361.

It is an interprime number because it is at equal distance from previous prime (163272463) and next prime (163272467).

It can be written as a sum of positive squares in 4 ways, for example, as 20736 + 163251729 = 144^2 + 12777^2 .

It is not a de Polignac number, because 163272465 - 2¹ = 163272463 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163272463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61252 + ... + 63861.

It is an arithmetic number, because the mean of its divisors is an integer number (12198615).

Almost surely, 2^163272465 is an apocalyptic number.

163272465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163272465 is a deficient number, since it is larger than the sum of its proper divisors (129494295).

163272465 is a wasteful number, since it uses less digits than its factorization.

163272465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125153 (or 125150 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 163272465 is about 12777.8114323228. The cubic root of 163272465 is about 546.5597548130.

It can be divided in two parts, 16 and 3272465, that added together give a square (3272481 = 1809²).

The spelling of 163272465 in words is "one hundred sixty-three million, two hundred seventy-two thousand, four hundred sixty-five".