61198910659 has 8 divisors (see below), whose sum is σ = 62860674240. Its totient is φ = 59559157416.

The previous prime is 61198910653. The next prime is 61198910713. The reversal of 61198910659 is 95601989116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61198910659 - 2¹⁹ = 61198386371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61198910653) 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, 5496949 + ... + 5508070.

It is an arithmetic number, because the mean of its divisors is an integer number (7857584280).

Almost surely, 2^61198910659 is an apocalyptic number.

61198910659 is a deficient number, since it is larger than the sum of its proper divisors (1661763581).

61198910659 is a wasteful number, since it uses less digits than its factorization.

61198910659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005169.

The product of its (nonzero) digits is 1049760, while the sum is 55.

The spelling of 61198910659 in words is "sixty-one billion, one hundred ninety-eight million, nine hundred ten thousand, six hundred fifty-nine".