10061688650 has 48 divisors (see below), whose sum is σ = 20271061944. Its totient is φ = 3693569280.

The previous prime is 10061688577. The next prime is 10061688683. The reversal of 10061688650 is 5688616001.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 73085401 + 9988603249 = 8549^2 + 99943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10061688598 and 10061688607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67712 + ... + 157188.

Almost surely, 2^10061688650 is an apocalyptic number.

10061688650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10061688650 is an abundant number, since it is smaller than the sum of its proper divisors (10209373294).

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

10061688650 is a wasteful number, since it uses less digits than its factorization.

10061688650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89675 (or 89670 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 10061688650 in words is "ten billion, sixty-one million, six hundred eighty-eight thousand, six hundred fifty".