61614189 has 60 divisors (see below), whose sum is σ = 114080736. Its totient is φ = 32449248.

The previous prime is 61614187. The next prime is 61614197. The reversal of 61614189 is 98141616.

It is a happy number.

61614189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61614189 - 2¹ = 61614187 is a prime.

It is a super-2 number, since 2×61614189² = 7592616572255442, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61614187) 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 59 ways as a sum of consecutive naturals, for example, 95502 + ... + 96144.

Almost surely, 2^61614189 is an apocalyptic number.

It is an amenable number.

61614189 is a deficient number, since it is larger than the sum of its proper divisors (52466547).

61614189 is a wasteful number, since it uses less digits than its factorization.

61614189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 666 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 61614189 is about 7849.4706190927. The cubic root of 61614189 is about 394.9664854329.

The spelling of 61614189 in words is "sixty-one million, six hundred fourteen thousand, one hundred eighty-nine".