2660385899752 has 64 divisors (see below), whose sum is σ = 5906601907200. Its totient is φ = 1099283857920.

The previous prime is 2660385899737. The next prime is 2660385899767. The reversal of 2660385899752 is 2579985830662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2660385899737) and next prime (2660385899767).

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, 2381493 + ... + 3315460.

It is an arithmetic number, because the mean of its divisors is an integer number (92290654800).

Almost surely, 2^{2660385899752} is an apocalyptic number.

It is an amenable number.

2660385899752 is an abundant number, since it is smaller than the sum of its proper divisors (3246216007448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2660385899752 is a wasteful number, since it uses less digits than its factorization.

2660385899752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697266 (or 5697262 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 2660385899752 in words is "two trillion, six hundred sixty billion, three hundred eighty-five million, eight hundred ninety-nine thousand, seven hundred fifty-two".