2646437160516 has 48 divisors (see below), whose sum is σ = 6677368379136. Its totient is φ = 812589796864.

The previous prime is 2646437160511. The next prime is 2646437160547. The reversal of 2646437160516 is 6150617346462.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2646437160511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137998191 + ... + 138017366.

It is an arithmetic number, because the mean of its divisors is an integer number (139111841232).

Almost surely, 2^{2646437160516} is an apocalyptic number.

It is an amenable number.

2646437160516 is an abundant number, since it is smaller than the sum of its proper divisors (4030931218620).

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

2646437160516 is a wasteful number, since it uses less digits than its factorization.

2646437160516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276015628 (or 276015626 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 2646437160516 in words is "two trillion, six hundred forty-six billion, four hundred thirty-seven million, one hundred sixty thousand, five hundred sixteen".