61161652 has 12 divisors (see below), whose sum is σ = 109522336. Its totient is φ = 29869560.

The previous prime is 61161649. The next prime is 61161671. The reversal of 61161652 is 25616116.

It is a self number, because there is not a number n which added to its sum of digits gives 61161652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177624 + ... + 177967.

Almost surely, 2^61161652 is an apocalyptic number.

It is an amenable number.

61161652 is a deficient number, since it is larger than the sum of its proper divisors (48360684).

61161652 is a wasteful number, since it uses less digits than its factorization.

61161652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355638 (or 355636 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 61161652 is about 7820.5915377291. The cubic root of 61161652 is about 393.9971398179.

Adding to 61161652 its reverse (25616116), we get a palindrome (86777768).

The spelling of 61161652 in words is "sixty-one million, one hundred sixty-one thousand, six hundred fifty-two".