2660005146651 has 8 divisors (see below), whose sum is σ = 3599608954944. Its totient is φ = 1746869051400.

The previous prime is 2660005146647. The next prime is 2660005146683. The reversal of 2660005146651 is 1566415000662.

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

It is not a de Polignac number, because 2660005146651 - 2² = 2660005146647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660005146151) 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, 6616928025 + ... + 6616928426.

It is an arithmetic number, because the mean of its divisors is an integer number (449951119368).

Almost surely, 2^{2660005146651} is an apocalyptic number.

2660005146651 is a deficient number, since it is larger than the sum of its proper divisors (939603808293).

2660005146651 is a wasteful number, since it uses less digits than its factorization.

2660005146651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233856521.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 2660005146651 in words is "two trillion, six hundred sixty billion, five million, one hundred forty-six thousand, six hundred fifty-one".