2660146605465 has 16 divisors (see below), whose sum is σ = 4257356788608. Its totient is φ = 1418370782976.

The previous prime is 2660146605421. The next prime is 2660146605481. The reversal of 2660146605465 is 5645066410662.

It is not a de Polignac number, because 2660146605465 - 2¹⁶ = 2660146539929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23320789 + ... + 23434578.

It is an arithmetic number, because the mean of its divisors is an integer number (266084799288).

Almost surely, 2^{2660146605465} is an apocalyptic number.

It is an amenable number.

2660146605465 is a deficient number, since it is larger than the sum of its proper divisors (1597210183143).

2660146605465 is a wasteful number, since it uses less digits than its factorization.

2660146605465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46759168.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 2660146605465 in words is "two trillion, six hundred sixty billion, one hundred forty-six million, six hundred five thousand, four hundred sixty-five".