1561676196712 has 32 divisors (see below), whose sum is σ = 3043514224800. Its totient is φ = 750580928064.

The previous prime is 1561676196697. The next prime is 1561676196719. The reversal of 1561676196712 is 2176916761651.

It is a happy number.

It is a super-2 number, since 2×1561676196712² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1561676196719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31758162 + ... + 31807297.

It is an arithmetic number, because the mean of its divisors is an integer number (95109819525).

Almost surely, 2^{1561676196712} is an apocalyptic number.

It is an amenable number.

1561676196712 is a deficient number, since it is larger than the sum of its proper divisors (1481838028088).

1561676196712 is a wasteful number, since it uses less digits than its factorization.

1561676196712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63565585 (or 63565581 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The spelling of 1561676196712 in words is "one trillion, five hundred sixty-one billion, six hundred seventy-six million, one hundred ninety-six thousand, seven hundred twelve".