61840160 has 24 divisors (see below), whose sum is σ = 146097756. Its totient is φ = 24736000.

The previous prime is 61840159. The next prime is 61840189. The reversal of 61840160 is 6104816.

It can be written as a sum of positive squares in 2 ways, for example, as 50523664 + 11316496 = 7108^2 + 3364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193091 + ... + 193410.

Almost surely, 2^61840160 is an apocalyptic number.

It is an amenable number.

61840160 is an abundant number, since it is smaller than the sum of its proper divisors (84257596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61840160 is a wasteful number, since it uses less digits than its factorization.

61840160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386516 (or 386508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 61840160 is about 7863.8514736737. The cubic root of 61840160 is about 395.4487449315.

Adding to 61840160 its reverse (6104816), we get a palindrome (67944976).

The spelling of 61840160 in words is "sixty-one million, eight hundred forty thousand, one hundred sixty".