61099016 has 32 divisors (see below), whose sum is σ = 129012480. Its totient is φ = 26875200.

The previous prime is 61099007. The next prime is 61099019.

It is a happy number.

61099016 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (61099019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8471 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (4031640).

Almost surely, 2^61099016 is an apocalyptic number.

It is an amenable number.

61099016 is an abundant number, since it is smaller than the sum of its proper divisors (67913464).

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

61099016 is a wasteful number, since it uses less digits than its factorization.

61099016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445 (or 22441 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 61099016 is about 7816.5859555179. The cubic root of 61099016 is about 393.8625956318.

The spelling of 61099016 in words is "sixty-one million, ninety-nine thousand, sixteen".