2664625751 has 8 divisors (see below), whose sum is σ = 2685541824. Its totient is φ = 2643731200.

The previous prime is 2664625741. The next prime is 2664625771. The reversal of 2664625751 is 1575264662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664625751 - 2⁶ = 2664625687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664625741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317951 + ... + 326223.

It is an arithmetic number, because the mean of its divisors is an integer number (335692728).

Almost surely, 2^2664625751 is an apocalyptic number.

2664625751 is a deficient number, since it is larger than the sum of its proper divisors (20916073).

2664625751 is a wasteful number, since it uses less digits than its factorization.

2664625751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761.

The product of its digits is 604800, while the sum is 44.

The square root of 2664625751 is about 51620.0130860115. The cubic root of 2664625751 is about 1386.3686854384.

The spelling of 2664625751 in words is "two billion, six hundred sixty-four million, six hundred twenty-five thousand, seven hundred fifty-one".