61098165 has 16 divisors (see below), whose sum is σ = 108619200. Its totient is φ = 32585616.

The previous prime is 61098133. The next prime is 61098173. The reversal of 61098165 is 56189016.

It is not a de Polignac number, because 61098165 - 2⁵ = 61098133 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226155 + ... + 226424.

It is an arithmetic number, because the mean of its divisors is an integer number (6788700).

Almost surely, 2^61098165 is an apocalyptic number.

It is an amenable number.

61098165 is a deficient number, since it is larger than the sum of its proper divisors (47521035).

61098165 is a wasteful number, since it uses less digits than its factorization.

61098165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452593 (or 452587 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 61098165 is about 7816.5315197983. The cubic root of 61098165 is about 393.8607670228.

The spelling of 61098165 in words is "sixty-one million, ninety-eight thousand, one hundred sixty-five".