2646081712 has 30 divisors (see below), whose sum is σ = 5248842252. Its totient is φ = 1292258016.

The previous prime is 2646081709. The next prime is 2646081733. The reversal of 2646081712 is 2171806462.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15138 + ... + 74305.

Almost surely, 2^2646081712 is an apocalyptic number.

It is an amenable number.

2646081712 is a deficient number, since it is larger than the sum of its proper divisors (2602760540).

2646081712 is an equidigital number, since it uses as much as digits as its factorization.

2646081712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89537 (or 89488 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2646081712 is about 51440.0788490842. The cubic root of 2646081712 is about 1383.1451251116.

The spelling of 2646081712 in words is "two billion, six hundred forty-six million, eighty-one thousand, seven hundred twelve".