361478165 has 8 divisors (see below), whose sum is σ = 435387960. Its totient is φ = 288106432.

The previous prime is 361478147. The next prime is 361478171. The reversal of 361478165 is 561874163.

It can be written as a sum of positive squares in 4 ways, for example, as 34374769 + 327103396 = 5863^2 + 18086^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361478165 - 2¹⁸ = 361216021 is a prime.

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

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, 133034 + ... + 135723.

It is an arithmetic number, because the mean of its divisors is an integer number (54423495).

Almost surely, 2^361478165 is an apocalyptic number.

It is an amenable number.

361478165 is a deficient number, since it is larger than the sum of its proper divisors (73909795).

361478165 is a wasteful number, since it uses less digits than its factorization.

361478165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269031.

The product of its digits is 120960, while the sum is 41.

The square root of 361478165 is about 19012.5791254106. The cubic root of 361478165 is about 712.3509748855.

The spelling of 361478165 in words is "three hundred sixty-one million, four hundred seventy-eight thousand, one hundred sixty-five".