3161640720712 has 32 divisors (see below), whose sum is σ = 6042433956480. Its totient is φ = 1550349760960.

The previous prime is 3161640720703. The next prime is 3161640720737. The reversal of 3161640720712 is 2170270461613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524128 + ... + 2568655.

It is an arithmetic number, because the mean of its divisors is an integer number (188826061140).

Almost surely, 2^{3161640720712} is an apocalyptic number.

It is an amenable number.

3161640720712 is a deficient number, since it is larger than the sum of its proper divisors (2880793235768).

3161640720712 is a wasteful number, since it uses less digits than its factorization.

3161640720712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095253 (or 3095249 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 3161640720712 in words is "three trillion, one hundred sixty-one billion, six hundred forty million, seven hundred twenty thousand, seven hundred twelve".