1061623550686 has 32 divisors (see below), whose sum is σ = 1760299776000. Its totient is φ = 477626599296.

The previous prime is 1061623550683. The next prime is 1061623550693. The reversal of 1061623550686 is 6860553261601.

It is a super-2 number, since 2×1061623550686² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061623550683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223655 + ... + 1902781.

It is an arithmetic number, because the mean of its divisors is an integer number (55009368000).

Almost surely, 2^{1061623550686} is an apocalyptic number.

1061623550686 is a deficient number, since it is larger than the sum of its proper divisors (698676225314).

1061623550686 is a wasteful number, since it uses less digits than its factorization.

1061623550686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681168.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 1061623550686 in words is "one trillion, sixty-one billion, six hundred twenty-three million, five hundred fifty thousand, six hundred eighty-six".