162747461 has 4 divisors (see below), whose sum is σ = 164358924. Its totient is φ = 161136000.

The previous prime is 162747439. The next prime is 162747503. The reversal of 162747461 is 164747261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78676900 + 84070561 = 8870^2 + 9169^2 .

It is a cyclic number.

It is not a de Polignac number, because 162747461 - 2²⁶ = 95638597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162747401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805580 + ... + 805781.

It is an arithmetic number, because the mean of its divisors is an integer number (41089731).

Almost surely, 2^162747461 is an apocalyptic number.

It is an amenable number.

162747461 is a deficient number, since it is larger than the sum of its proper divisors (1611463).

162747461 is a wasteful number, since it uses less digits than its factorization.

162747461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611462.

The product of its digits is 56448, while the sum is 38.

The square root of 162747461 is about 12757.2513105292. The cubic root of 162747461 is about 545.9733032696.

It can be divided in two parts, 16 and 2747461, that multiplied together give a triangular number (43959376 = T₉₃₇₆).

The spelling of 162747461 in words is "one hundred sixty-two million, seven hundred forty-seven thousand, four hundred sixty-one".