360640061 has 4 divisors (see below), whose sum is σ = 361203324. Its totient is φ = 360076800.

The previous prime is 360640043. The next prime is 360640067. The reversal of 360640061 is 160046063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160046063 = 19 ⋅8423477.

It can be written as a sum of positive squares in 2 ways, for example, as 349914436 + 10725625 = 18706^2 + 3275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-360640061 is a prime.

It is a super-2 number, since 2×360640061² = 260122507196167442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 360640061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360640067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280670 + ... + 281951.

It is an arithmetic number, because the mean of its divisors is an integer number (90300831).

Almost surely, 2^360640061 is an apocalyptic number.

It is an amenable number.

360640061 is a deficient number, since it is larger than the sum of its proper divisors (563263).

360640061 is an equidigital number, since it uses as much as digits as its factorization.

360640061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563262.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 360640061 is about 18990.5255588148. The cubic root of 360640061 is about 711.8000091896.

The spelling of 360640061 in words is "three hundred sixty million, six hundred forty thousand, sixty-one".