6665150651 has 4 divisors (see below), whose sum is σ = 6670601712. Its totient is φ = 6659699592.

The previous prime is 6665150633. The next prime is 6665150671. The reversal of 6665150651 is 1560515666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6665150651 is a prime.

It is a super-3 number, since 3×6665150651³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6665150599 and 6665150608.

It is not an unprimeable number, because it can be changed into a prime (6665150671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723696 + ... + 2726141.

It is an arithmetic number, because the mean of its divisors is an integer number (1667650428).

Almost surely, 2^6665150651 is an apocalyptic number.

6665150651 is a deficient number, since it is larger than the sum of its proper divisors (5451061).

6665150651 is a wasteful number, since it uses less digits than its factorization.

6665150651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451060.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 6665150651 is about 81640.3739028674. The cubic root of 6665150651 is about 1881.9293844105.

The spelling of 6665150651 in words is "six billion, six hundred sixty-five million, one hundred fifty thousand, six hundred fifty-one".