61099068 has 12 divisors (see below), whose sum is σ = 142564520. Its totient is φ = 20366352.

The previous prime is 61099021. The next prime is 61099091. The reversal of 61099068 is 86099016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×61099068² = 7466192220937248, which contains 22 as substring.

It is a congruent number.

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, 2545783 + ... + 2545806.

Almost surely, 2^61099068 is an apocalyptic number.

It is an amenable number.

61099068 is an abundant number, since it is smaller than the sum of its proper divisors (81465452).

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

61099068 is a wasteful number, since it uses less digits than its factorization.

61099068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091596 (or 5091594 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 61099068 is about 7816.5892817776. The cubic root of 61099068 is about 393.8627073676.

The spelling of 61099068 in words is "sixty-one million, ninety-nine thousand, sixty-eight".