2956665667601 has 8 divisors (see below), whose sum is σ = 2989231783104. Its totient is φ = 2924164105200.

The previous prime is 2956665667591. The next prime is 2956665667621. The reversal of 2956665667601 is 1067665666592.

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 2956665667601 - 2⁶ = 2956665667537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2956665667621) 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, 16046165 + ... + 16229378.

It is an arithmetic number, because the mean of its divisors is an integer number (373653972888).

Almost surely, 2^{2956665667601} is an apocalyptic number.

It is an amenable number.

2956665667601 is a deficient number, since it is larger than the sum of its proper divisors (32566115503).

2956665667601 is a wasteful number, since it uses less digits than its factorization.

2956665667601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32276551.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 2956665667601 in words is "two trillion, nine hundred fifty-six billion, six hundred sixty-five million, six hundred sixty-seven thousand, six hundred one".