2601667012 has 72 divisors (see below), whose sum is σ = 5656718144. Its totient is φ = 1024869888.

The previous prime is 2601666967. The next prime is 2601667027. The reversal of 2601667012 is 2107661062.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344218 + ... + 351694.

Almost surely, 2^2601667012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2601667012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828359072).

2601667012 is an abundant number, since it is smaller than the sum of its proper divisors (3055051132).

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

2601667012 is a wasteful number, since it uses less digits than its factorization.

2601667012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565 (or 7546 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2601667012 is about 51006.5389141432. The cubic root of 2601667012 is about 1375.3626833019.

The spelling of 2601667012 in words is "two billion, six hundred one million, six hundred sixty-seven thousand, twelve".