2664692121601 has 8 divisors (see below), whose sum is σ = 2721055458464. Its totient is φ = 2608816779360.

The previous prime is 2664692121599. The next prime is 2664692121727. The reversal of 2664692121601 is 1061212964662.

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 2664692121601 - 2¹ = 2664692121599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664692121401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121987620 + ... + 122009461.

It is an arithmetic number, because the mean of its divisors is an integer number (340131932308).

Almost surely, 2^{2664692121601} is an apocalyptic number.

It is an amenable number.

2664692121601 is a deficient number, since it is larger than the sum of its proper divisors (56363336863).

2664692121601 is a wasteful number, since it uses less digits than its factorization.

2664692121601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243997311.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 2664692121601 in words is "two trillion, six hundred sixty-four billion, six hundred ninety-two million, one hundred twenty-one thousand, six hundred one".