1611712136740 has 48 divisors (see below), whose sum is σ = 3490440024960. Its totient is φ = 624831791360.

The previous prime is 1611712136729. The next prime is 1611712136789. The reversal of 1611712136740 is 476312171161.

It is a junction number, because it is equal to n+sod(n) for n = 1611712136693 and 1611712136702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9534937 + ... + 9702496.

It is an arithmetic number, because the mean of its divisors is an integer number (72717500520).

Almost surely, 2^{1611712136740} is an apocalyptic number.

1611712136740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1611712136740 is an abundant number, since it is smaller than the sum of its proper divisors (1878727888220).

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

1611712136740 is a wasteful number, since it uses less digits than its factorization.

1611712136740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19237572 (or 19237570 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 1611712136740 in words is "one trillion, six hundred eleven billion, seven hundred twelve million, one hundred thirty-six thousand, seven hundred forty".