98656065690 has 128 divisors (see below), whose sum is σ = 306752624640. Its totient is φ = 19719790848.

The previous prime is 98656065689. The next prime is 98656065691. The reversal of 98656065690 is 9656065689.

It is an interprime number because it is at equal distance from previous prime (98656065689) and next prime (98656065691).

It is a super-2 number, since 2×98656065690² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98656065691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 899124 + ... + 1002863.

It is an arithmetic number, because the mean of its divisors is an integer number (2396504880).

Almost surely, 2^98656065690 is an apocalyptic number.

98656065690 is an abundant number, since it is smaller than the sum of its proper divisors (208096558950).

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

98656065690 is a wasteful number, since it uses less digits than its factorization.

98656065690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902036.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 98656065690 in words is "ninety-eight billion, six hundred fifty-six million, sixty-five thousand, six hundred ninety".